40782320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 101564928

約数和(自身を除く): 60782608

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 157, 170, 191, 272, 314, 340, 382, 628, 680, 764, 785, 955, 1256, 1360, 1528, 1570, 1910, 2512, 2669, 3056, 3140, 3247, 3820, 5338, 6280, 6494, 7640, 10676, 12560, 12988, 13345, 15280, 16235, 21352, 25976, 26690, 29987, 32470, 42704, 51952, 53380, 59974, 64940, 106760, 119948, 129880, 149935, 213520, 239896, 259760, 299870, 479792, 509779, 599740, 1019558, 1199480, 2039116, 2398960, 2548895, 4078232, 5097790, 8156464, 10195580, 20391160, 40782320]

約数ペア:

[(1, 40782320), (2, 20391160), (4, 10195580), (5, 8156464), (8, 5097790), (10, 4078232), (16, 2548895), (17, 2398960), (20, 2039116), (34, 1199480), (40, 1019558), (68, 599740), (80, 509779), (85, 479792), (136, 299870), (157, 259760), (170, 239896), (191, 213520), (272, 149935), (314, 129880), (340, 119948), (382, 106760), (628, 64940), (680, 59974), (764, 53380), (785, 51952), (955, 42704), (1256, 32470), (1360, 29987), (1528, 26690), (1570, 25976), (1910, 21352), (2512, 16235), (2669, 15280), (3056, 13345), (3140, 12988), (3247, 12560), (3820, 10676), (5338, 7640), (6280, 6494)]