40016928

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 125483904

約数和(自身を除く): 85466976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 47, 48, 49, 56, 84, 94, 96, 98, 112, 141, 147, 168, 181, 188, 196, 224, 282, 294, 329, 336, 362, 376, 392, 543, 564, 588, 658, 672, 724, 752, 784, 987, 1086, 1128, 1176, 1267, 1316, 1448, 1504, 1568, 1974, 2172, 2256, 2303, 2352, 2534, 2632, 2896, 3801, 3948, 4344, 4512, 4606, 4704, 5068, 5264, 5792, 6909, 7602, 7896, 8507, 8688, 8869, 9212, 10136, 10528, 13818, 15204, 15792, 17014, 17376, 17738, 18424, 20272, 25521, 26607, 27636, 30408, 31584, 34028, 35476, 36848, 40544, 51042, 53214, 55272, 59549, 60816, 68056, 70952, 73696, 102084, 106428, 110544, 119098, 121632, 136112, 141904, 178647, 204168, 212856, 221088, 238196, 272224, 283808, 357294, 408336, 416843, 425712, 476392, 714588, 816672, 833686, 851424, 952784, 1250529, 1429176, 1667372, 1905568, 2501058, 2858352, 3334744, 5002116, 5716704, 6669488, 10004232, 13338976, 20008464, 40016928]

約数ペア:

[(1, 40016928), (2, 20008464), (3, 13338976), (4, 10004232), (6, 6669488), (7, 5716704), (8, 5002116), (12, 3334744), (14, 2858352), (16, 2501058), (21, 1905568), (24, 1667372), (28, 1429176), (32, 1250529), (42, 952784), (47, 851424), (48, 833686), (49, 816672), (56, 714588), (84, 476392), (94, 425712), (96, 416843), (98, 408336), (112, 357294), (141, 283808), (147, 272224), (168, 238196), (181, 221088), (188, 212856), (196, 204168), (224, 178647), (282, 141904), (294, 136112), (329, 121632), (336, 119098), (362, 110544), (376, 106428), (392, 102084), (543, 73696), (564, 70952), (588, 68056), (658, 60816), (672, 59549), (724, 55272), (752, 53214), (784, 51042), (987, 40544), (1086, 36848), (1128, 35476), (1176, 34028), (1267, 31584), (1316, 30408), (1448, 27636), (1504, 26607), (1568, 25521), (1974, 20272), (2172, 18424), (2256, 17738), (2303, 17376), (2352, 17014), (2534, 15792), (2632, 15204), (2896, 13818), (3801, 10528), (3948, 10136), (4344, 9212), (4512, 8869), (4606, 8688), (4704, 8507), (5068, 7896), (5264, 7602), (5792, 6909)]