25650280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 62130240

約数和(自身を除く): 36479960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 536, 563, 670, 680, 1126, 1139, 1340, 2252, 2278, 2680, 2815, 4504, 4556, 5630, 5695, 9112, 9571, 11260, 11390, 19142, 22520, 22780, 37721, 38284, 45560, 47855, 75442, 76568, 95710, 150884, 188605, 191420, 301768, 377210, 382840, 641257, 754420, 1282514, 1508840, 2565028, 3206285, 5130056, 6412570, 12825140, 25650280]

約数ペア:

[(1, 25650280), (2, 12825140), (4, 6412570), (5, 5130056), (8, 3206285), (10, 2565028), (17, 1508840), (20, 1282514), (34, 754420), (40, 641257), (67, 382840), (68, 377210), (85, 301768), (134, 191420), (136, 188605), (170, 150884), (268, 95710), (335, 76568), (340, 75442), (536, 47855), (563, 45560), (670, 38284), (680, 37721), (1126, 22780), (1139, 22520), (1340, 19142), (2252, 11390), (2278, 11260), (2680, 9571), (2815, 9112), (4504, 5695), (4556, 5630)]