80641648

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{761}}^1$

素因数の和:985

約数の個数: 40

約数和(自身を含む): 161574480

約数和(自身を除く): 80932832

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 179, 296, 358, 592, 716, 761, 1432, 1522, 2864, 3044, 6088, 6623, 12176, 13246, 26492, 28157, 52984, 56314, 105968, 112628, 136219, 225256, 272438, 450512, 544876, 1089752, 2179504, 5040103, 10080206, 20160412, 40320824, 80641648]

約数ペア:

[(1, 80641648), (2, 40320824), (4, 20160412), (8, 10080206), (16, 5040103), (37, 2179504), (74, 1089752), (148, 544876), (179, 450512), (296, 272438), (358, 225256), (592, 136219), (716, 112628), (761, 105968), (1432, 56314), (1522, 52984), (2864, 28157), (3044, 26492), (6088, 13246), (6623, 12176)]