163980440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3251}}^1$

素因数の和:3372

約数の個数: 64

約数和(自身を含む): 401556960

約数和(自身を除く): 237576520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 776, 970, 1261, 1940, 2522, 3251, 3880, 5044, 6305, 6502, 10088, 12610, 13004, 16255, 25220, 26008, 32510, 42263, 50440, 65020, 84526, 130040, 169052, 211315, 315347, 338104, 422630, 630694, 845260, 1261388, 1576735, 1690520, 2522776, 3153470, 4099511, 6306940, 8199022, 12613880, 16398044, 20497555, 32796088, 40995110, 81990220, 163980440]

約数ペア:

[(1, 163980440), (2, 81990220), (4, 40995110), (5, 32796088), (8, 20497555), (10, 16398044), (13, 12613880), (20, 8199022), (26, 6306940), (40, 4099511), (52, 3153470), (65, 2522776), (97, 1690520), (104, 1576735), (130, 1261388), (194, 845260), (260, 630694), (388, 422630), (485, 338104), (520, 315347), (776, 211315), (970, 169052), (1261, 130040), (1940, 84526), (2522, 65020), (3251, 50440), (3880, 42263), (5044, 32510), (6305, 26008), (6502, 25220), (10088, 16255), (12610, 13004)]