13881218320

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{11047}}^1$

素因数の和:11312

約数の個数: 80

約数和(自身を含む): 32796650880

約数和(自身を除く): 18915432560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 139, 226, 278, 452, 556, 565, 695, 904, 1112, 1130, 1390, 1808, 2224, 2260, 2780, 4520, 5560, 9040, 11047, 11120, 15707, 22094, 31414, 44188, 55235, 62828, 78535, 88376, 110470, 125656, 157070, 176752, 220940, 251312, 314140, 441880, 628280, 883760, 1248311, 1256560, 1535533, 2496622, 3071066, 4993244, 6142132, 6241555, 7677665, 9986488, 12284264, 12483110, 15355330, 19972976, 24568528, 24966220, 30710660, 49932440, 61421320, 99864880, 122842640, 173515229, 347030458, 694060916, 867576145, 1388121832, 1735152290, 2776243664, 3470304580, 6940609160, 13881218320]

約数ペア:

[(1, 13881218320), (2, 6940609160), (4, 3470304580), (5, 2776243664), (8, 1735152290), (10, 1388121832), (16, 867576145), (20, 694060916), (40, 347030458), (80, 173515229), (113, 122842640), (139, 99864880), (226, 61421320), (278, 49932440), (452, 30710660), (556, 24966220), (565, 24568528), (695, 19972976), (904, 15355330), (1112, 12483110), (1130, 12284264), (1390, 9986488), (1808, 7677665), (2224, 6241555), (2260, 6142132), (2780, 4993244), (4520, 3071066), (5560, 2496622), (9040, 1535533), (11047, 1256560), (11120, 1248311), (15707, 883760), (22094, 628280), (31414, 441880), (44188, 314140), (55235, 251312), (62828, 220940), (78535, 176752), (88376, 157070), (110470, 125656)]