13249840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 33926400

約数和(自身を除く): 20676560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 379, 380, 437, 460, 758, 760, 874, 920, 1516, 1520, 1748, 1840, 1895, 2185, 3032, 3496, 3790, 4370, 6064, 6992, 7201, 7580, 8717, 8740, 14402, 15160, 17434, 17480, 28804, 30320, 34868, 34960, 36005, 43585, 57608, 69736, 72010, 87170, 115216, 139472, 144020, 165623, 174340, 288040, 331246, 348680, 576080, 662492, 697360, 828115, 1324984, 1656230, 2649968, 3312460, 6624920, 13249840]

約数ペア:

[(1, 13249840), (2, 6624920), (4, 3312460), (5, 2649968), (8, 1656230), (10, 1324984), (16, 828115), (19, 697360), (20, 662492), (23, 576080), (38, 348680), (40, 331246), (46, 288040), (76, 174340), (80, 165623), (92, 144020), (95, 139472), (115, 115216), (152, 87170), (184, 72010), (190, 69736), (230, 57608), (304, 43585), (368, 36005), (379, 34960), (380, 34868), (437, 30320), (460, 28804), (758, 17480), (760, 17434), (874, 15160), (920, 14402), (1516, 8740), (1520, 8717), (1748, 7580), (1840, 7201), (1895, 6992), (2185, 6064), (3032, 4370), (3496, 3790)]