160280900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1053

約数の個数: 72

約数和(自身を含む): 377684160

約数和(自身を除く): 217403260

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 139, 260, 278, 325, 556, 650, 695, 887, 1300, 1390, 1774, 1807, 2780, 3475, 3548, 3614, 4435, 6950, 7228, 8870, 9035, 11531, 13900, 17740, 18070, 22175, 23062, 36140, 44350, 45175, 46124, 57655, 88700, 90350, 115310, 123293, 180700, 230620, 246586, 288275, 493172, 576550, 616465, 1153100, 1232930, 1602809, 2465860, 3082325, 3205618, 6164650, 6411236, 8014045, 12329300, 16028090, 32056180, 40070225, 80140450, 160280900]

約数ペア:

[(1, 160280900), (2, 80140450), (4, 40070225), (5, 32056180), (10, 16028090), (13, 12329300), (20, 8014045), (25, 6411236), (26, 6164650), (50, 3205618), (52, 3082325), (65, 2465860), (100, 1602809), (130, 1232930), (139, 1153100), (260, 616465), (278, 576550), (325, 493172), (556, 288275), (650, 246586), (695, 230620), (887, 180700), (1300, 123293), (1390, 115310), (1774, 90350), (1807, 88700), (2780, 57655), (3475, 46124), (3548, 45175), (3614, 44350), (4435, 36140), (6950, 23062), (7228, 22175), (8870, 18070), (9035, 17740), (11531, 13900)]