20200613680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1459}}^1\times {\mathrm{13313}}^1$

素因数の和:14798

約数の個数: 80

約数和(自身を含む): 50617697760

約数和(自身を除く): 30417084080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1459, 2918, 5836, 7295, 11672, 13313, 14590, 18967, 23344, 26626, 29180, 37934, 53252, 58360, 66565, 75868, 94835, 106504, 116720, 133130, 151736, 173069, 189670, 213008, 266260, 303472, 346138, 379340, 532520, 692276, 758680, 865345, 1065040, 1384552, 1517360, 1730690, 2769104, 3461380, 6922760, 13845520, 19423667, 38847334, 77694668, 97118335, 155389336, 194236670, 252507671, 310778672, 388473340, 505015342, 776946680, 1010030684, 1262538355, 1553893360, 2020061368, 2525076710, 4040122736, 5050153420, 10100306840, 20200613680]

約数ペア:

[(1, 20200613680), (2, 10100306840), (4, 5050153420), (5, 4040122736), (8, 2525076710), (10, 2020061368), (13, 1553893360), (16, 1262538355), (20, 1010030684), (26, 776946680), (40, 505015342), (52, 388473340), (65, 310778672), (80, 252507671), (104, 194236670), (130, 155389336), (208, 97118335), (260, 77694668), (520, 38847334), (1040, 19423667), (1459, 13845520), (2918, 6922760), (5836, 3461380), (7295, 2769104), (11672, 1730690), (13313, 1517360), (14590, 1384552), (18967, 1065040), (23344, 865345), (26626, 758680), (29180, 692276), (37934, 532520), (53252, 379340), (58360, 346138), (66565, 303472), (75868, 266260), (94835, 213008), (106504, 189670), (116720, 173069), (133130, 151736)]