12541880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 30844800

約数和(自身を除く): 18302920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 271, 356, 445, 520, 542, 712, 890, 1084, 1157, 1355, 1780, 2168, 2314, 2710, 3523, 3560, 4628, 5420, 5785, 7046, 9256, 10840, 11570, 14092, 17615, 23140, 24119, 28184, 35230, 46280, 48238, 70460, 96476, 120595, 140920, 192952, 241190, 313547, 482380, 627094, 964760, 1254188, 1567735, 2508376, 3135470, 6270940, 12541880]

約数ペア:

[(1, 12541880), (2, 6270940), (4, 3135470), (5, 2508376), (8, 1567735), (10, 1254188), (13, 964760), (20, 627094), (26, 482380), (40, 313547), (52, 241190), (65, 192952), (89, 140920), (104, 120595), (130, 96476), (178, 70460), (260, 48238), (271, 46280), (356, 35230), (445, 28184), (520, 24119), (542, 23140), (712, 17615), (890, 14092), (1084, 11570), (1157, 10840), (1355, 9256), (1780, 7046), (2168, 5785), (2314, 5420), (2710, 4628), (3523, 3560)]