16858400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1621}}^1$

素因数の和:1654

約数の個数: 72

約数和(自身を含む): 44348724

約数和(自身を除く): 27490324

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, 325, 400, 416, 520, 650, 800, 1040, 1300, 1621, 2080, 2600, 3242, 5200, 6484, 8105, 10400, 12968, 16210, 21073, 25936, 32420, 40525, 42146, 51872, 64840, 81050, 84292, 105365, 129680, 162100, 168584, 210730, 259360, 324200, 337168, 421460, 526825, 648400, 674336, 842920, 1053650, 1296800, 1685840, 2107300, 3371680, 4214600, 8429200, 16858400]

約数ペア:

[(1, 16858400), (2, 8429200), (4, 4214600), (5, 3371680), (8, 2107300), (10, 1685840), (13, 1296800), (16, 1053650), (20, 842920), (25, 674336), (26, 648400), (32, 526825), (40, 421460), (50, 337168), (52, 324200), (65, 259360), (80, 210730), (100, 168584), (104, 162100), (130, 129680), (160, 105365), (200, 84292), (208, 81050), (260, 64840), (325, 51872), (400, 42146), (416, 40525), (520, 32420), (650, 25936), (800, 21073), (1040, 16210), (1300, 12968), (1621, 10400), (2080, 8105), (2600, 6484), (3242, 5200)]