40642240

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:306

約数の個数: 112

約数和(自身を含む): 106216704

約数和(自身を除く): 65574464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 241, 248, 272, 310, 320, 340, 482, 496, 527, 544, 620, 680, 964, 992, 1054, 1088, 1205, 1240, 1360, 1928, 1984, 2108, 2410, 2480, 2635, 2720, 3856, 4097, 4216, 4820, 4960, 5270, 5440, 7471, 7712, 8194, 8432, 9640, 9920, 10540, 14942, 15424, 16388, 16864, 19280, 20485, 21080, 29884, 32776, 33728, 37355, 38560, 40970, 42160, 59768, 65552, 74710, 77120, 81940, 84320, 119536, 127007, 131104, 149420, 163880, 168640, 239072, 254014, 262208, 298840, 327760, 478144, 508028, 597680, 635035, 655520, 1016056, 1195360, 1270070, 1311040, 2032112, 2390720, 2540140, 4064224, 5080280, 8128448, 10160560, 20321120, 40642240]

約数ペア:

[(1, 40642240), (2, 20321120), (4, 10160560), (5, 8128448), (8, 5080280), (10, 4064224), (16, 2540140), (17, 2390720), (20, 2032112), (31, 1311040), (32, 1270070), (34, 1195360), (40, 1016056), (62, 655520), (64, 635035), (68, 597680), (80, 508028), (85, 478144), (124, 327760), (136, 298840), (155, 262208), (160, 254014), (170, 239072), (241, 168640), (248, 163880), (272, 149420), (310, 131104), (320, 127007), (340, 119536), (482, 84320), (496, 81940), (527, 77120), (544, 74710), (620, 65552), (680, 59768), (964, 42160), (992, 40970), (1054, 38560), (1088, 37355), (1205, 33728), (1240, 32776), (1360, 29884), (1928, 21080), (1984, 20485), (2108, 19280), (2410, 16864), (2480, 16388), (2635, 15424), (2720, 14942), (3856, 10540), (4097, 9920), (4216, 9640), (4820, 8432), (4960, 8194), (5270, 7712), (5440, 7471)]