12128750

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:366

約数の個数: 40

約数和(自身を含む): 23542464

約数和(自身を除く): 11413714

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 250, 310, 313, 625, 626, 775, 1250, 1550, 1565, 3130, 3875, 7750, 7825, 9703, 15650, 19375, 19406, 38750, 39125, 48515, 78250, 97030, 195625, 242575, 391250, 485150, 1212875, 2425750, 6064375, 12128750]

約数ペア:

[(1, 12128750), (2, 6064375), (5, 2425750), (10, 1212875), (25, 485150), (31, 391250), (50, 242575), (62, 195625), (125, 97030), (155, 78250), (250, 48515), (310, 39125), (313, 38750), (625, 19406), (626, 19375), (775, 15650), (1250, 9703), (1550, 7825), (1565, 7750), (3130, 3875)]