328908080

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{12421}}^1$

素因数の和:12765

約数の個数: 40

約数和(自身を含む): 767083344

約数和(自身を除く): 438175264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 5296, 6620, 12421, 13240, 24842, 26480, 49684, 62105, 99368, 124210, 198736, 248420, 496840, 993680, 4111351, 8222702, 16445404, 20556755, 32890808, 41113510, 65781616, 82227020, 164454040, 328908080]

約数ペア:

[(1, 328908080), (2, 164454040), (4, 82227020), (5, 65781616), (8, 41113510), (10, 32890808), (16, 20556755), (20, 16445404), (40, 8222702), (80, 4111351), (331, 993680), (662, 496840), (1324, 248420), (1655, 198736), (2648, 124210), (3310, 99368), (5296, 62105), (6620, 49684), (12421, 26480), (13240, 24842)]