25297240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:952

約数の個数: 64

約数和(自身を含む): 61378560

約数和(自身を除く): 36081320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 887, 920, 1240, 1426, 1774, 2852, 3548, 3565, 4435, 5704, 7096, 7130, 8870, 14260, 17740, 20401, 27497, 28520, 35480, 40802, 54994, 81604, 102005, 109988, 137485, 163208, 204010, 219976, 274970, 408020, 549940, 632431, 816040, 1099880, 1264862, 2529724, 3162155, 5059448, 6324310, 12648620, 25297240]

約数ペア:

[(1, 25297240), (2, 12648620), (4, 6324310), (5, 5059448), (8, 3162155), (10, 2529724), (20, 1264862), (23, 1099880), (31, 816040), (40, 632431), (46, 549940), (62, 408020), (92, 274970), (115, 219976), (124, 204010), (155, 163208), (184, 137485), (230, 109988), (248, 102005), (310, 81604), (460, 54994), (620, 40802), (713, 35480), (887, 28520), (920, 27497), (1240, 20401), (1426, 17740), (1774, 14260), (2852, 8870), (3548, 7130), (3565, 7096), (4435, 5704)]