40012640

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 100590336

約数和(自身を除く): 60577696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 83, 92, 115, 131, 160, 166, 184, 230, 262, 332, 368, 415, 460, 524, 655, 664, 736, 830, 920, 1048, 1310, 1328, 1660, 1840, 1909, 2096, 2620, 2656, 3013, 3320, 3680, 3818, 4192, 5240, 6026, 6640, 7636, 9545, 10480, 10873, 12052, 13280, 15065, 15272, 19090, 20960, 21746, 24104, 30130, 30544, 38180, 43492, 48208, 54365, 60260, 61088, 76360, 86984, 96416, 108730, 120520, 152720, 173968, 217460, 241040, 250079, 305440, 347936, 434920, 482080, 500158, 869840, 1000316, 1250395, 1739680, 2000632, 2500790, 4001264, 5001580, 8002528, 10003160, 20006320, 40012640]

約数ペア:

[(1, 40012640), (2, 20006320), (4, 10003160), (5, 8002528), (8, 5001580), (10, 4001264), (16, 2500790), (20, 2000632), (23, 1739680), (32, 1250395), (40, 1000316), (46, 869840), (80, 500158), (83, 482080), (92, 434920), (115, 347936), (131, 305440), (160, 250079), (166, 241040), (184, 217460), (230, 173968), (262, 152720), (332, 120520), (368, 108730), (415, 96416), (460, 86984), (524, 76360), (655, 61088), (664, 60260), (736, 54365), (830, 48208), (920, 43492), (1048, 38180), (1310, 30544), (1328, 30130), (1660, 24104), (1840, 21746), (1909, 20960), (2096, 19090), (2620, 15272), (2656, 15065), (3013, 13280), (3320, 12052), (3680, 10873), (3818, 10480), (4192, 9545), (5240, 7636), (6026, 6640)]