31534750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 65834496

約数和(自身を除く): 34299746

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 250, 310, 313, 325, 403, 626, 650, 775, 806, 1550, 1565, 1625, 2015, 3130, 3250, 3875, 4030, 4069, 7750, 7825, 8138, 9703, 10075, 15650, 19406, 20150, 20345, 39125, 40690, 48515, 50375, 78250, 97030, 100750, 101725, 126139, 203450, 242575, 252278, 485150, 508625, 630695, 1017250, 1212875, 1261390, 2425750, 3153475, 6306950, 15767375, 31534750]

約数ペア:

[(1, 31534750), (2, 15767375), (5, 6306950), (10, 3153475), (13, 2425750), (25, 1261390), (26, 1212875), (31, 1017250), (50, 630695), (62, 508625), (65, 485150), (125, 252278), (130, 242575), (155, 203450), (250, 126139), (310, 101725), (313, 100750), (325, 97030), (403, 78250), (626, 50375), (650, 48515), (775, 40690), (806, 39125), (1550, 20345), (1565, 20150), (1625, 19406), (2015, 15650), (3130, 10075), (3250, 9703), (3875, 8138), (4030, 7825), (4069, 7750)]