65945680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26591}}^1$

素因数の和:26635

約数の個数: 40

約数和(自身を含む): 158275584

約数和(自身を除く): 92329904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26591, 53182, 106364, 132955, 212728, 265910, 425456, 531820, 824321, 1063640, 1648642, 2127280, 3297284, 4121605, 6594568, 8243210, 13189136, 16486420, 32972840, 65945680]

約数ペア:

[(1, 65945680), (2, 32972840), (4, 16486420), (5, 13189136), (8, 8243210), (10, 6594568), (16, 4121605), (20, 3297284), (31, 2127280), (40, 1648642), (62, 1063640), (80, 824321), (124, 531820), (155, 425456), (248, 265910), (310, 212728), (496, 132955), (620, 106364), (1240, 53182), (2480, 26591)]