2016259375

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1601}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 2803320576

約数和(自身を除く): 787061201

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 625, 775, 1601, 1625, 2015, 3125, 3875, 8005, 8125, 10075, 19375, 20813, 40025, 40625, 49631, 50375, 96875, 104065, 200125, 248155, 251875, 520325, 645203, 1000625, 1240775, 1259375, 2601625, 3226015, 5003125, 6203875, 13008125, 16130075, 31019375, 65040625, 80650375, 155096875, 403251875, 2016259375]

約数ペア:

[(1, 2016259375), (5, 403251875), (13, 155096875), (25, 80650375), (31, 65040625), (65, 31019375), (125, 16130075), (155, 13008125), (325, 6203875), (403, 5003125), (625, 3226015), (775, 2601625), (1601, 1259375), (1625, 1240775), (2015, 1000625), (3125, 645203), (3875, 520325), (8005, 251875), (8125, 248155), (10075, 200125), (19375, 104065), (20813, 96875), (40025, 50375), (40625, 49631)]