86705450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:400

約数の個数: 72

約数和(自身を含む): 180809856

約数和(自身を除く): 94104406

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 169, 310, 325, 331, 338, 403, 650, 662, 775, 806, 845, 1550, 1655, 1690, 2015, 3310, 4030, 4225, 4303, 5239, 8275, 8450, 8606, 10075, 10261, 10478, 16550, 20150, 20522, 21515, 26195, 43030, 51305, 52390, 55939, 102610, 107575, 111878, 130975, 133393, 215150, 256525, 261950, 266786, 279695, 513050, 559390, 666965, 1333930, 1398475, 1734109, 2796950, 3334825, 3468218, 6669650, 8670545, 17341090, 43352725, 86705450]

約数ペア:

[(1, 86705450), (2, 43352725), (5, 17341090), (10, 8670545), (13, 6669650), (25, 3468218), (26, 3334825), (31, 2796950), (50, 1734109), (62, 1398475), (65, 1333930), (130, 666965), (155, 559390), (169, 513050), (310, 279695), (325, 266786), (331, 261950), (338, 256525), (403, 215150), (650, 133393), (662, 130975), (775, 111878), (806, 107575), (845, 102610), (1550, 55939), (1655, 52390), (1690, 51305), (2015, 43030), (3310, 26195), (4030, 21515), (4225, 20522), (4303, 20150), (5239, 16550), (8275, 10478), (8450, 10261), (8606, 10075)]