2080406960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89983}}^1$

素因数の和:90030

約数の個数: 60

約数和(自身を含む): 5138266368

約数和(自身を除く): 3057859408

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2890, 4624, 5780, 11560, 23120, 89983, 179966, 359932, 449915, 719864, 899830, 1439728, 1529711, 1799660, 3059422, 3599320, 6118844, 7198640, 7648555, 12237688, 15297110, 24475376, 26005087, 30594220, 52010174, 61188440, 104020348, 122376880, 130025435, 208040696, 260050870, 416081392, 520101740, 1040203480, 2080406960]

約数ペア:

[(1, 2080406960), (2, 1040203480), (4, 520101740), (5, 416081392), (8, 260050870), (10, 208040696), (16, 130025435), (17, 122376880), (20, 104020348), (34, 61188440), (40, 52010174), (68, 30594220), (80, 26005087), (85, 24475376), (136, 15297110), (170, 12237688), (272, 7648555), (289, 7198640), (340, 6118844), (578, 3599320), (680, 3059422), (1156, 1799660), (1360, 1529711), (1445, 1439728), (2312, 899830), (2890, 719864), (4624, 449915), (5780, 359932), (11560, 179966), (23120, 89983)]