25870288

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 51524480

約数和(自身を除く): 25654192

約数列:

[1, 2, 4, 8, 16, 79, 97, 158, 194, 211, 316, 388, 422, 632, 776, 844, 1264, 1552, 1688, 3376, 7663, 15326, 16669, 20467, 30652, 33338, 40934, 61304, 66676, 81868, 122608, 133352, 163736, 266704, 327472, 1616893, 3233786, 6467572, 12935144, 25870288]

約数ペア:

[(1, 25870288), (2, 12935144), (4, 6467572), (8, 3233786), (16, 1616893), (79, 327472), (97, 266704), (158, 163736), (194, 133352), (211, 122608), (316, 81868), (388, 66676), (422, 61304), (632, 40934), (776, 33338), (844, 30652), (1264, 20467), (1552, 16669), (1688, 15326), (3376, 7663)]