39664040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{919}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 97372800

約数和(自身を除く): 57708760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 830, 919, 1079, 1660, 1838, 2158, 3320, 3676, 4316, 4595, 5395, 7352, 8632, 9190, 10790, 11947, 18380, 21580, 23894, 36760, 43160, 47788, 59735, 76277, 95576, 119470, 152554, 238940, 305108, 381385, 477880, 610216, 762770, 991601, 1525540, 1983202, 3051080, 3966404, 4958005, 7932808, 9916010, 19832020, 39664040]

約数ペア:

[(1, 39664040), (2, 19832020), (4, 9916010), (5, 7932808), (8, 4958005), (10, 3966404), (13, 3051080), (20, 1983202), (26, 1525540), (40, 991601), (52, 762770), (65, 610216), (83, 477880), (104, 381385), (130, 305108), (166, 238940), (260, 152554), (332, 119470), (415, 95576), (520, 76277), (664, 59735), (830, 47788), (919, 43160), (1079, 36760), (1660, 23894), (1838, 21580), (2158, 18380), (3320, 11947), (3676, 10790), (4316, 9190), (4595, 8632), (5395, 7352)]