64698400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6221}}^1$

素因数の和:6254

約数の個数: 72

約数和(自身を含む): 170121924

約数和(自身を除く): 105423524

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, 2080, 2600, 5200, 6221, 10400, 12442, 24884, 31105, 49768, 62210, 80873, 99536, 124420, 155525, 161746, 199072, 248840, 311050, 323492, 404365, 497680, 622100, 646984, 808730, 995360, 1244200, 1293968, 1617460, 2021825, 2488400, 2587936, 3234920, 4043650, 4976800, 6469840, 8087300, 12939680, 16174600, 32349200, 64698400]

約数ペア:

[(1, 64698400), (2, 32349200), (4, 16174600), (5, 12939680), (8, 8087300), (10, 6469840), (13, 4976800), (16, 4043650), (20, 3234920), (25, 2587936), (26, 2488400), (32, 2021825), (40, 1617460), (50, 1293968), (52, 1244200), (65, 995360), (80, 808730), (100, 646984), (104, 622100), (130, 497680), (160, 404365), (200, 323492), (208, 311050), (260, 248840), (325, 199072), (400, 161746), (416, 155525), (520, 124420), (650, 99536), (800, 80873), (1040, 62210), (1300, 49768), (2080, 31105), (2600, 24884), (5200, 12442), (6221, 10400)]