25306480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16649}}^1$

素因数の和:16681

約数の個数: 40

約数和(自身を含む): 61938000

約数和(自身を除く): 36631520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 16649, 33298, 66596, 83245, 133192, 166490, 266384, 316331, 332980, 632662, 665960, 1265324, 1331920, 1581655, 2530648, 3163310, 5061296, 6326620, 12653240, 25306480]

約数ペア:

[(1, 25306480), (2, 12653240), (4, 6326620), (5, 5061296), (8, 3163310), (10, 2530648), (16, 1581655), (19, 1331920), (20, 1265324), (38, 665960), (40, 632662), (76, 332980), (80, 316331), (95, 266384), (152, 166490), (190, 133192), (304, 83245), (380, 66596), (760, 33298), (1520, 16649)]