80648750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:751

約数の個数: 80

約数和(自身を含む): 186315360

約数和(自身を除く): 105666610

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 175, 182, 250, 325, 350, 455, 625, 650, 709, 875, 910, 1250, 1418, 1625, 1750, 2275, 3250, 3545, 4375, 4550, 4963, 7090, 8125, 8750, 9217, 9926, 11375, 16250, 17725, 18434, 22750, 24815, 35450, 46085, 49630, 56875, 64519, 88625, 92170, 113750, 124075, 129038, 177250, 230425, 248150, 322595, 443125, 460850, 620375, 645190, 886250, 1152125, 1240750, 1612975, 2304250, 3101875, 3225950, 5760625, 6203750, 8064875, 11521250, 16129750, 40324375, 80648750]

約数ペア:

[(1, 80648750), (2, 40324375), (5, 16129750), (7, 11521250), (10, 8064875), (13, 6203750), (14, 5760625), (25, 3225950), (26, 3101875), (35, 2304250), (50, 1612975), (65, 1240750), (70, 1152125), (91, 886250), (125, 645190), (130, 620375), (175, 460850), (182, 443125), (250, 322595), (325, 248150), (350, 230425), (455, 177250), (625, 129038), (650, 124075), (709, 113750), (875, 92170), (910, 88625), (1250, 64519), (1418, 56875), (1625, 49630), (1750, 46085), (2275, 35450), (3250, 24815), (3545, 22750), (4375, 18434), (4550, 17725), (4963, 16250), (7090, 11375), (8125, 9926), (8750, 9217)]