40359904

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:492

約数の個数: 72

約数和(自身を含む): 91309680

約数和(自身を除く): 50949776

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 169, 208, 221, 272, 338, 416, 439, 442, 544, 676, 878, 884, 1352, 1756, 1768, 2704, 2873, 3512, 3536, 5408, 5707, 5746, 7024, 7072, 7463, 11414, 11492, 14048, 14926, 22828, 22984, 29852, 45656, 45968, 59704, 74191, 91312, 91936, 97019, 119408, 148382, 182624, 194038, 238816, 296764, 388076, 593528, 776152, 1187056, 1261247, 1552304, 2374112, 2522494, 3104608, 5044988, 10089976, 20179952, 40359904]

約数ペア:

[(1, 40359904), (2, 20179952), (4, 10089976), (8, 5044988), (13, 3104608), (16, 2522494), (17, 2374112), (26, 1552304), (32, 1261247), (34, 1187056), (52, 776152), (68, 593528), (104, 388076), (136, 296764), (169, 238816), (208, 194038), (221, 182624), (272, 148382), (338, 119408), (416, 97019), (439, 91936), (442, 91312), (544, 74191), (676, 59704), (878, 45968), (884, 45656), (1352, 29852), (1756, 22984), (1768, 22828), (2704, 14926), (2873, 14048), (3512, 11492), (3536, 11414), (5408, 7463), (5707, 7072), (5746, 7024)]