50878750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 80

約数和(自身を含む): 107065728

約数和(自身を除く): 56186978

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 101, 125, 130, 155, 202, 250, 310, 325, 403, 505, 625, 650, 775, 806, 1010, 1250, 1313, 1550, 1625, 2015, 2525, 2626, 3131, 3250, 3875, 4030, 5050, 6262, 6565, 7750, 8125, 10075, 12625, 13130, 15655, 16250, 19375, 20150, 25250, 31310, 32825, 38750, 40703, 50375, 63125, 65650, 78275, 81406, 100750, 126250, 156550, 164125, 203515, 251875, 328250, 391375, 407030, 503750, 782750, 820625, 1017575, 1641250, 1956875, 2035150, 3913750, 5087875, 10175750, 25439375, 50878750]

約数ペア:

[(1, 50878750), (2, 25439375), (5, 10175750), (10, 5087875), (13, 3913750), (25, 2035150), (26, 1956875), (31, 1641250), (50, 1017575), (62, 820625), (65, 782750), (101, 503750), (125, 407030), (130, 391375), (155, 328250), (202, 251875), (250, 203515), (310, 164125), (325, 156550), (403, 126250), (505, 100750), (625, 81406), (650, 78275), (775, 65650), (806, 63125), (1010, 50375), (1250, 40703), (1313, 38750), (1550, 32825), (1625, 31310), (2015, 25250), (2525, 20150), (2626, 19375), (3131, 16250), (3250, 15655), (3875, 13130), (4030, 12625), (5050, 10075), (6262, 8125), (6565, 7750)]