80892500

素因数分解:

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

素因数の和:187

約数の個数: 120

約数和(自身を含む): 202060320

約数和(自身を除く): 121167820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 125, 130, 131, 190, 247, 250, 260, 262, 325, 380, 475, 494, 500, 524, 625, 650, 655, 950, 988, 1235, 1250, 1300, 1310, 1625, 1703, 1900, 2375, 2470, 2489, 2500, 2620, 3250, 3275, 3406, 4750, 4940, 4978, 6175, 6500, 6550, 6812, 8125, 8515, 9500, 9956, 11875, 12350, 12445, 13100, 16250, 16375, 17030, 23750, 24700, 24890, 30875, 32357, 32500, 32750, 34060, 42575, 47500, 49780, 61750, 62225, 64714, 65500, 81875, 85150, 123500, 124450, 129428, 154375, 161785, 163750, 170300, 212875, 248900, 308750, 311125, 323570, 327500, 425750, 617500, 622250, 647140, 808925, 851500, 1064375, 1244500, 1555625, 1617850, 2128750, 3111250, 3235700, 4044625, 4257500, 6222500, 8089250, 16178500, 20223125, 40446250, 80892500]

約数ペア:

[(1, 80892500), (2, 40446250), (4, 20223125), (5, 16178500), (10, 8089250), (13, 6222500), (19, 4257500), (20, 4044625), (25, 3235700), (26, 3111250), (38, 2128750), (50, 1617850), (52, 1555625), (65, 1244500), (76, 1064375), (95, 851500), (100, 808925), (125, 647140), (130, 622250), (131, 617500), (190, 425750), (247, 327500), (250, 323570), (260, 311125), (262, 308750), (325, 248900), (380, 212875), (475, 170300), (494, 163750), (500, 161785), (524, 154375), (625, 129428), (650, 124450), (655, 123500), (950, 85150), (988, 81875), (1235, 65500), (1250, 64714), (1300, 62225), (1310, 61750), (1625, 49780), (1703, 47500), (1900, 42575), (2375, 34060), (2470, 32750), (2489, 32500), (2500, 32357), (2620, 30875), (3250, 24890), (3275, 24700), (3406, 23750), (4750, 17030), (4940, 16375), (4978, 16250), (6175, 13100), (6500, 12445), (6550, 12350), (6812, 11875), (8125, 9956), (8515, 9500)]