78596020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 168920640

約数和(自身を除く): 90324620

約数列:

[1, 2, 4, 5, 10, 20, 83, 113, 166, 226, 332, 415, 419, 452, 565, 830, 838, 1130, 1660, 1676, 2095, 2260, 4190, 8380, 9379, 18758, 34777, 37516, 46895, 47347, 69554, 93790, 94694, 139108, 173885, 187580, 189388, 236735, 347770, 473470, 695540, 946940, 3929801, 7859602, 15719204, 19649005, 39298010, 78596020]

約数ペア:

[(1, 78596020), (2, 39298010), (4, 19649005), (5, 15719204), (10, 7859602), (20, 3929801), (83, 946940), (113, 695540), (166, 473470), (226, 347770), (332, 236735), (415, 189388), (419, 187580), (452, 173885), (565, 139108), (830, 94694), (838, 93790), (1130, 69554), (1660, 47347), (1676, 46895), (2095, 37516), (2260, 34777), (4190, 18758), (8380, 9379)]