25239970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 55282176

約数和(自身を除く): 30042206

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 61, 70, 115, 122, 161, 230, 257, 305, 322, 427, 514, 610, 805, 854, 1285, 1403, 1610, 1799, 2135, 2570, 2806, 3598, 4270, 5911, 7015, 8995, 9821, 11822, 14030, 15677, 17990, 19642, 29555, 31354, 41377, 49105, 59110, 78385, 82754, 98210, 109739, 156770, 206885, 219478, 360571, 413770, 548695, 721142, 1097390, 1802855, 2523997, 3605710, 5047994, 12619985, 25239970]

約数ペア:

[(1, 25239970), (2, 12619985), (5, 5047994), (7, 3605710), (10, 2523997), (14, 1802855), (23, 1097390), (35, 721142), (46, 548695), (61, 413770), (70, 360571), (115, 219478), (122, 206885), (161, 156770), (230, 109739), (257, 98210), (305, 82754), (322, 78385), (427, 59110), (514, 49105), (610, 41377), (805, 31354), (854, 29555), (1285, 19642), (1403, 17990), (1610, 15677), (1799, 14030), (2135, 11822), (2570, 9821), (2806, 8995), (3598, 7015), (4270, 5911)]