201968780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{1259}}^1$

素因数の和:1898

約数の個数: 48

約数和(自身を含む): 457863840

約数和(自身を除く): 255895060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 617, 1234, 1259, 2468, 2518, 3085, 5036, 6170, 6295, 8021, 12340, 12590, 16042, 16367, 25180, 32084, 32734, 40105, 65468, 80210, 81835, 160420, 163670, 327340, 776803, 1553606, 3107212, 3884015, 7768030, 10098439, 15536060, 20196878, 40393756, 50492195, 100984390, 201968780]

約数ペア:

[(1, 201968780), (2, 100984390), (4, 50492195), (5, 40393756), (10, 20196878), (13, 15536060), (20, 10098439), (26, 7768030), (52, 3884015), (65, 3107212), (130, 1553606), (260, 776803), (617, 327340), (1234, 163670), (1259, 160420), (2468, 81835), (2518, 80210), (3085, 65468), (5036, 40105), (6170, 32734), (6295, 32084), (8021, 25180), (12340, 16367), (12590, 16042)]