55491280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 140147280

約数和(自身を除く): 84656000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 229, 233, 260, 458, 466, 520, 916, 932, 1040, 1145, 1165, 1832, 1864, 2290, 2330, 2977, 3029, 3664, 3728, 4580, 4660, 5954, 6058, 9160, 9320, 11908, 12116, 14885, 15145, 18320, 18640, 23816, 24232, 29770, 30290, 47632, 48464, 53357, 59540, 60580, 106714, 119080, 121160, 213428, 238160, 242320, 266785, 426856, 533570, 693641, 853712, 1067140, 1387282, 2134280, 2774564, 3468205, 4268560, 5549128, 6936410, 11098256, 13872820, 27745640, 55491280]

約数ペア:

[(1, 55491280), (2, 27745640), (4, 13872820), (5, 11098256), (8, 6936410), (10, 5549128), (13, 4268560), (16, 3468205), (20, 2774564), (26, 2134280), (40, 1387282), (52, 1067140), (65, 853712), (80, 693641), (104, 533570), (130, 426856), (208, 266785), (229, 242320), (233, 238160), (260, 213428), (458, 121160), (466, 119080), (520, 106714), (916, 60580), (932, 59540), (1040, 53357), (1145, 48464), (1165, 47632), (1832, 30290), (1864, 29770), (2290, 24232), (2330, 23816), (2977, 18640), (3029, 18320), (3664, 15145), (3728, 14885), (4580, 12116), (4660, 11908), (5954, 9320), (6058, 9160)]