195421720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{12959}}^1$

素因数の和:13012

約数の個数: 64

約数和(自身を含む): 489888000

約数和(自身を除く): 294466280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 3016, 3770, 7540, 12959, 15080, 25918, 51836, 64795, 103672, 129590, 168467, 259180, 336934, 375811, 518360, 673868, 751622, 842335, 1347736, 1503244, 1684670, 1879055, 3006488, 3369340, 3758110, 4885543, 6738680, 7516220, 9771086, 15032440, 19542172, 24427715, 39084344, 48855430, 97710860, 195421720]

約数ペア:

[(1, 195421720), (2, 97710860), (4, 48855430), (5, 39084344), (8, 24427715), (10, 19542172), (13, 15032440), (20, 9771086), (26, 7516220), (29, 6738680), (40, 4885543), (52, 3758110), (58, 3369340), (65, 3006488), (104, 1879055), (116, 1684670), (130, 1503244), (145, 1347736), (232, 842335), (260, 751622), (290, 673868), (377, 518360), (520, 375811), (580, 336934), (754, 259180), (1160, 168467), (1508, 129590), (1885, 103672), (3016, 64795), (3770, 51836), (7540, 25918), (12959, 15080)]