2818400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:304

約数の個数: 72

約数和(自身を含む): 7437024

約数和(自身を除く): 4618624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 271, 325, 400, 416, 520, 542, 650, 800, 1040, 1084, 1300, 1355, 2080, 2168, 2600, 2710, 3523, 4336, 5200, 5420, 6775, 7046, 8672, 10400, 10840, 13550, 14092, 17615, 21680, 27100, 28184, 35230, 43360, 54200, 56368, 70460, 88075, 108400, 112736, 140920, 176150, 216800, 281840, 352300, 563680, 704600, 1409200, 2818400]

約数ペア:

[(1, 2818400), (2, 1409200), (4, 704600), (5, 563680), (8, 352300), (10, 281840), (13, 216800), (16, 176150), (20, 140920), (25, 112736), (26, 108400), (32, 88075), (40, 70460), (50, 56368), (52, 54200), (65, 43360), (80, 35230), (100, 28184), (104, 27100), (130, 21680), (160, 17615), (200, 14092), (208, 13550), (260, 10840), (271, 10400), (325, 8672), (400, 7046), (416, 6775), (520, 5420), (542, 5200), (650, 4336), (800, 3523), (1040, 2710), (1084, 2600), (1300, 2168), (1355, 2080)]