828486880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{398311}}^1$

素因数の和:398339

約数の個数: 48

約数和(自身を含む): 2107867104

約数和(自身を除く): 1279380224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 398311, 796622, 1593244, 1991555, 3186488, 3983110, 5178043, 6372976, 7966220, 10356086, 12745952, 15932440, 20712172, 25890215, 31864880, 41424344, 51780430, 63729760, 82848688, 103560860, 165697376, 207121720, 414243440, 828486880]

約数ペア:

[(1, 828486880), (2, 414243440), (4, 207121720), (5, 165697376), (8, 103560860), (10, 82848688), (13, 63729760), (16, 51780430), (20, 41424344), (26, 31864880), (32, 25890215), (40, 20712172), (52, 15932440), (65, 12745952), (80, 10356086), (104, 7966220), (130, 6372976), (160, 5178043), (208, 3983110), (260, 3186488), (416, 1991555), (520, 1593244), (1040, 796622), (2080, 398311)]