25606980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20323}}^1$

素因数の和:20345

約数の個数: 72

約数和(自身を含む): 88775232

約数和(自身を除く): 63168252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20323, 40646, 60969, 81292, 101615, 121938, 142261, 182907, 203230, 243876, 284522, 304845, 365814, 406460, 426783, 569044, 609690, 711305, 731628, 853566, 914535, 1219380, 1280349, 1422610, 1707132, 1829070, 2133915, 2560698, 2845220, 3658140, 4267830, 5121396, 6401745, 8535660, 12803490, 25606980]

約数ペア:

[(1, 25606980), (2, 12803490), (3, 8535660), (4, 6401745), (5, 5121396), (6, 4267830), (7, 3658140), (9, 2845220), (10, 2560698), (12, 2133915), (14, 1829070), (15, 1707132), (18, 1422610), (20, 1280349), (21, 1219380), (28, 914535), (30, 853566), (35, 731628), (36, 711305), (42, 609690), (45, 569044), (60, 426783), (63, 406460), (70, 365814), (84, 304845), (90, 284522), (105, 243876), (126, 203230), (140, 182907), (180, 142261), (210, 121938), (252, 101615), (315, 81292), (420, 60969), (630, 40646), (1260, 20323)]