129450880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15559}}^1$

素因数の和:15591

約数の個数: 64

約数和(自身を含む): 333295200

約数和(自身を除く): 203844320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 15559, 31118, 62236, 77795, 124472, 155590, 202267, 248944, 311180, 404534, 497888, 622360, 809068, 995776, 1011335, 1244720, 1618136, 1991552, 2022670, 2489440, 3236272, 4045340, 4978880, 6472544, 8090680, 9957760, 12945088, 16181360, 25890176, 32362720, 64725440, 129450880]

約数ペア:

[(1, 129450880), (2, 64725440), (4, 32362720), (5, 25890176), (8, 16181360), (10, 12945088), (13, 9957760), (16, 8090680), (20, 6472544), (26, 4978880), (32, 4045340), (40, 3236272), (52, 2489440), (64, 2022670), (65, 1991552), (80, 1618136), (104, 1244720), (128, 1011335), (130, 995776), (160, 809068), (208, 622360), (260, 497888), (320, 404534), (416, 311180), (520, 248944), (640, 202267), (832, 155590), (1040, 124472), (1664, 77795), (2080, 62236), (4160, 31118), (8320, 15559)]