65614720

素因数分解:

$2^7\times 5^1\times {\mathrm{102523}}^1$

素因数の和:102542

約数の個数: 32

約数和(自身を含む): 156861720

約数和(自身を除く): 91247000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 102523, 205046, 410092, 512615, 820184, 1025230, 1640368, 2050460, 3280736, 4100920, 6561472, 8201840, 13122944, 16403680, 32807360, 65614720]

約数ペア:

[(1, 65614720), (2, 32807360), (4, 16403680), (5, 13122944), (8, 8201840), (10, 6561472), (16, 4100920), (20, 3280736), (32, 2050460), (40, 1640368), (64, 1025230), (80, 820184), (128, 512615), (160, 410092), (320, 205046), (640, 102523)]