40879640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^3\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 97740000

約数和(自身を除く): 56860360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 361, 380, 596, 722, 745, 760, 1192, 1444, 1490, 1805, 2831, 2888, 2980, 3610, 5662, 5960, 6859, 7220, 11324, 13718, 14155, 14440, 22648, 27436, 28310, 34295, 53789, 54872, 56620, 68590, 107578, 113240, 137180, 215156, 268945, 274360, 430312, 537890, 1021991, 1075780, 2043982, 2151560, 4087964, 5109955, 8175928, 10219910, 20439820, 40879640]

約数ペア:

[(1, 40879640), (2, 20439820), (4, 10219910), (5, 8175928), (8, 5109955), (10, 4087964), (19, 2151560), (20, 2043982), (38, 1075780), (40, 1021991), (76, 537890), (95, 430312), (149, 274360), (152, 268945), (190, 215156), (298, 137180), (361, 113240), (380, 107578), (596, 68590), (722, 56620), (745, 54872), (760, 53789), (1192, 34295), (1444, 28310), (1490, 27436), (1805, 22648), (2831, 14440), (2888, 14155), (2980, 13718), (3610, 11324), (5662, 7220), (5960, 6859)]