6647565560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1181}}^1\times {\mathrm{1291}}^1$

素因数の和:2592

約数の個数: 64

約数和(自身を含む): 15118725600

約数和(自身を除く): 8471160040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1181, 1291, 2180, 2362, 2582, 4360, 4724, 5164, 5905, 6455, 9448, 10328, 11810, 12910, 23620, 25820, 47240, 51640, 128729, 140719, 257458, 281438, 514916, 562876, 643645, 703595, 1029832, 1125752, 1287290, 1407190, 1524671, 2574580, 2814380, 3049342, 5149160, 5628760, 6098684, 7623355, 12197368, 15246710, 30493420, 60986840, 166189139, 332378278, 664756556, 830945695, 1329513112, 1661891390, 3323782780, 6647565560]

約数ペア:

[(1, 6647565560), (2, 3323782780), (4, 1661891390), (5, 1329513112), (8, 830945695), (10, 664756556), (20, 332378278), (40, 166189139), (109, 60986840), (218, 30493420), (436, 15246710), (545, 12197368), (872, 7623355), (1090, 6098684), (1181, 5628760), (1291, 5149160), (2180, 3049342), (2362, 2814380), (2582, 2574580), (4360, 1524671), (4724, 1407190), (5164, 1287290), (5905, 1125752), (6455, 1029832), (9448, 703595), (10328, 643645), (11810, 562876), (12910, 514916), (23620, 281438), (25820, 257458), (47240, 140719), (51640, 128729)]