8142931840

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{669649}}^1$

素因数の和:669687

約数の個数: 64

約数和(自身を含む): 20491290000

約数和(自身を除く): 12348358160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 669649, 1339298, 2678596, 3348245, 5357192, 6696490, 10714384, 12723331, 13392980, 21428768, 25446662, 26785960, 42857536, 50893324, 53571920, 63616655, 85715072, 101786648, 107143840, 127233310, 203573296, 214287680, 254466620, 407146592, 428575360, 508933240, 814293184, 1017866480, 1628586368, 2035732960, 4071465920, 8142931840]

約数ペア:

[(1, 8142931840), (2, 4071465920), (4, 2035732960), (5, 1628586368), (8, 1017866480), (10, 814293184), (16, 508933240), (19, 428575360), (20, 407146592), (32, 254466620), (38, 214287680), (40, 203573296), (64, 127233310), (76, 107143840), (80, 101786648), (95, 85715072), (128, 63616655), (152, 53571920), (160, 50893324), (190, 42857536), (304, 26785960), (320, 25446662), (380, 21428768), (608, 13392980), (640, 12723331), (760, 10714384), (1216, 6696490), (1520, 5357192), (2432, 3348245), (3040, 2678596), (6080, 1339298), (12160, 669649)]