81253098250

素因数分解:

$2^1\times 5^3\times {\mathrm{107}}^1\times {\mathrm{359}}^1\times {\mathrm{8461}}^1$

素因数の和:8944

約数の個数: 64

約数和(自身を含む): 153973198080

約数和(自身を除く): 72720099830

約数列:

[1, 2, 5, 10, 25, 50, 107, 125, 214, 250, 359, 535, 718, 1070, 1795, 2675, 3590, 5350, 8461, 8975, 13375, 16922, 17950, 26750, 38413, 42305, 44875, 76826, 84610, 89750, 192065, 211525, 384130, 423050, 905327, 960325, 1057625, 1810654, 1920650, 2115250, 3037499, 4526635, 4801625, 6074998, 9053270, 9603250, 15187495, 22633175, 30374990, 45266350, 75937475, 113165875, 151874950, 226331750, 325012393, 379687375, 650024786, 759374750, 1625061965, 3250123930, 8125309825, 16250619650, 40626549125, 81253098250]

約数ペア:

[(1, 81253098250), (2, 40626549125), (5, 16250619650), (10, 8125309825), (25, 3250123930), (50, 1625061965), (107, 759374750), (125, 650024786), (214, 379687375), (250, 325012393), (359, 226331750), (535, 151874950), (718, 113165875), (1070, 75937475), (1795, 45266350), (2675, 30374990), (3590, 22633175), (5350, 15187495), (8461, 9603250), (8975, 9053270), (13375, 6074998), (16922, 4801625), (17950, 4526635), (26750, 3037499), (38413, 2115250), (42305, 1920650), (44875, 1810654), (76826, 1057625), (84610, 960325), (89750, 905327), (192065, 423050), (211525, 384130)]