25156630

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 22017770

約数列:

[1, 2, 5, 10, 29, 58, 145, 223, 290, 389, 446, 778, 1115, 1945, 2230, 3890, 6467, 11281, 12934, 22562, 32335, 56405, 64670, 86747, 112810, 173494, 433735, 867470, 2515663, 5031326, 12578315, 25156630]

約数ペア:

[(1, 25156630), (2, 12578315), (5, 5031326), (10, 2515663), (29, 867470), (58, 433735), (145, 173494), (223, 112810), (290, 86747), (389, 64670), (446, 56405), (778, 32335), (1115, 22562), (1945, 12934), (2230, 11281), (3890, 6467)]