26698750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 80

約数和(自身を含む): 56681856

約数和(自身を除く): 29983106

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 53, 62, 65, 106, 125, 130, 155, 250, 265, 310, 325, 403, 530, 625, 650, 689, 775, 806, 1250, 1325, 1378, 1550, 1625, 1643, 2015, 2650, 3250, 3286, 3445, 3875, 4030, 6625, 6890, 7750, 8125, 8215, 10075, 13250, 16250, 16430, 17225, 19375, 20150, 21359, 33125, 34450, 38750, 41075, 42718, 50375, 66250, 82150, 86125, 100750, 106795, 172250, 205375, 213590, 251875, 410750, 430625, 503750, 533975, 861250, 1026875, 1067950, 2053750, 2669875, 5339750, 13349375, 26698750]

約数ペア:

[(1, 26698750), (2, 13349375), (5, 5339750), (10, 2669875), (13, 2053750), (25, 1067950), (26, 1026875), (31, 861250), (50, 533975), (53, 503750), (62, 430625), (65, 410750), (106, 251875), (125, 213590), (130, 205375), (155, 172250), (250, 106795), (265, 100750), (310, 86125), (325, 82150), (403, 66250), (530, 50375), (625, 42718), (650, 41075), (689, 38750), (775, 34450), (806, 33125), (1250, 21359), (1325, 20150), (1378, 19375), (1550, 17225), (1625, 16430), (1643, 16250), (2015, 13250), (2650, 10075), (3250, 8215), (3286, 8125), (3445, 7750), (3875, 6890), (4030, 6625)]