123925160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{50789}}^1$

素因数の和:50861

約数の個数: 32

約数和(自身を含む): 283408200

約数和(自身を除く): 159483040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 50789, 101578, 203156, 253945, 406312, 507890, 1015780, 2031560, 3098129, 6196258, 12392516, 15490645, 24785032, 30981290, 61962580, 123925160]

約数ペア:

[(1, 123925160), (2, 61962580), (4, 30981290), (5, 24785032), (8, 15490645), (10, 12392516), (20, 6196258), (40, 3098129), (61, 2031560), (122, 1015780), (244, 507890), (305, 406312), (488, 253945), (610, 203156), (1220, 101578), (2440, 50789)]