25949720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15823}}^1$

素因数の和:15875

約数の個数: 32

約数和(自身を含む): 59814720

約数和(自身を除く): 33865000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 15823, 31646, 63292, 79115, 126584, 158230, 316460, 632920, 648743, 1297486, 2594972, 3243715, 5189944, 6487430, 12974860, 25949720]

約数ペア:

[(1, 25949720), (2, 12974860), (4, 6487430), (5, 5189944), (8, 3243715), (10, 2594972), (20, 1297486), (40, 648743), (41, 632920), (82, 316460), (164, 158230), (205, 126584), (328, 79115), (410, 63292), (820, 31646), (1640, 15823)]