40618240

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2441}}^1$

素因数の和:2475

約数の個数: 72

約数和(自身を含む): 104820408

約数和(自身を除く): 64202168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 2441, 3328, 4160, 4882, 8320, 9764, 12205, 16640, 19528, 24410, 31733, 39056, 48820, 63466, 78112, 97640, 126932, 156224, 158665, 195280, 253864, 312448, 317330, 390560, 507728, 624896, 634660, 781120, 1015456, 1269320, 1562240, 2030912, 2538640, 3124480, 4061824, 5077280, 8123648, 10154560, 20309120, 40618240]

約数ペア:

[(1, 40618240), (2, 20309120), (4, 10154560), (5, 8123648), (8, 5077280), (10, 4061824), (13, 3124480), (16, 2538640), (20, 2030912), (26, 1562240), (32, 1269320), (40, 1015456), (52, 781120), (64, 634660), (65, 624896), (80, 507728), (104, 390560), (128, 317330), (130, 312448), (160, 253864), (208, 195280), (256, 158665), (260, 156224), (320, 126932), (416, 97640), (520, 78112), (640, 63466), (832, 48820), (1040, 39056), (1280, 31733), (1664, 24410), (2080, 19528), (2441, 16640), (3328, 12205), (4160, 9764), (4882, 8320)]