40446250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 80

約数和(自身を含む): 86597280

約数和(自身を除く): 46151030

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 125, 130, 131, 190, 247, 250, 262, 325, 475, 494, 625, 650, 655, 950, 1235, 1250, 1310, 1625, 1703, 2375, 2470, 2489, 3250, 3275, 3406, 4750, 4978, 6175, 6550, 8125, 8515, 11875, 12350, 12445, 16250, 16375, 17030, 23750, 24890, 30875, 32357, 32750, 42575, 61750, 62225, 64714, 81875, 85150, 124450, 154375, 161785, 163750, 212875, 308750, 311125, 323570, 425750, 622250, 808925, 1064375, 1555625, 1617850, 2128750, 3111250, 4044625, 8089250, 20223125, 40446250]

約数ペア:

[(1, 40446250), (2, 20223125), (5, 8089250), (10, 4044625), (13, 3111250), (19, 2128750), (25, 1617850), (26, 1555625), (38, 1064375), (50, 808925), (65, 622250), (95, 425750), (125, 323570), (130, 311125), (131, 308750), (190, 212875), (247, 163750), (250, 161785), (262, 154375), (325, 124450), (475, 85150), (494, 81875), (625, 64714), (650, 62225), (655, 61750), (950, 42575), (1235, 32750), (1250, 32357), (1310, 30875), (1625, 24890), (1703, 23750), (2375, 17030), (2470, 16375), (2489, 16250), (3250, 12445), (3275, 12350), (3406, 11875), (4750, 8515), (4978, 8125), (6175, 6550)]