1061840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1047

約数の個数: 40

約数和(自身を含む): 2661288

約数和(自身を除く): 1599448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1021, 1040, 2042, 4084, 5105, 8168, 10210, 13273, 16336, 20420, 26546, 40840, 53092, 66365, 81680, 106184, 132730, 212368, 265460, 530920, 1061840]

約数ペア:

[(1, 1061840), (2, 530920), (4, 265460), (5, 212368), (8, 132730), (10, 106184), (13, 81680), (16, 66365), (20, 53092), (26, 40840), (40, 26546), (52, 20420), (65, 16336), (80, 13273), (104, 10210), (130, 8168), (208, 5105), (260, 4084), (520, 2042), (1021, 1040)]