40193420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 91974960

約数和(自身を除く): 51781540

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 131, 145, 230, 262, 290, 460, 524, 529, 580, 655, 667, 1058, 1310, 1334, 2116, 2620, 2645, 2668, 3013, 3335, 3799, 5290, 6026, 6670, 7598, 10580, 12052, 13340, 15065, 15196, 15341, 18995, 30130, 30682, 37990, 60260, 61364, 69299, 75980, 76705, 87377, 138598, 153410, 174754, 277196, 306820, 346495, 349508, 436885, 692990, 873770, 1385980, 1747540, 2009671, 4019342, 8038684, 10048355, 20096710, 40193420]

約数ペア:

[(1, 40193420), (2, 20096710), (4, 10048355), (5, 8038684), (10, 4019342), (20, 2009671), (23, 1747540), (29, 1385980), (46, 873770), (58, 692990), (92, 436885), (115, 349508), (116, 346495), (131, 306820), (145, 277196), (230, 174754), (262, 153410), (290, 138598), (460, 87377), (524, 76705), (529, 75980), (580, 69299), (655, 61364), (667, 60260), (1058, 37990), (1310, 30682), (1334, 30130), (2116, 18995), (2620, 15341), (2645, 15196), (2668, 15065), (3013, 13340), (3335, 12052), (3799, 10580), (5290, 7598), (6026, 6670)]