2000960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:80

約数の個数: 84

約数和(自身を含む): 5298948

約数和(自身を除く): 3297988

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 130, 148, 160, 169, 185, 208, 260, 296, 320, 338, 370, 416, 481, 520, 592, 676, 740, 832, 845, 962, 1040, 1184, 1352, 1480, 1690, 1924, 2080, 2368, 2405, 2704, 2960, 3380, 3848, 4160, 4810, 5408, 5920, 6253, 6760, 7696, 9620, 10816, 11840, 12506, 13520, 15392, 19240, 25012, 27040, 30784, 31265, 38480, 50024, 54080, 62530, 76960, 100048, 125060, 153920, 200096, 250120, 400192, 500240, 1000480, 2000960]

約数ペア:

[(1, 2000960), (2, 1000480), (4, 500240), (5, 400192), (8, 250120), (10, 200096), (13, 153920), (16, 125060), (20, 100048), (26, 76960), (32, 62530), (37, 54080), (40, 50024), (52, 38480), (64, 31265), (65, 30784), (74, 27040), (80, 25012), (104, 19240), (130, 15392), (148, 13520), (160, 12506), (169, 11840), (185, 10816), (208, 9620), (260, 7696), (296, 6760), (320, 6253), (338, 5920), (370, 5408), (416, 4810), (481, 4160), (520, 3848), (592, 3380), (676, 2960), (740, 2704), (832, 2405), (845, 2368), (962, 2080), (1040, 1924), (1184, 1690), (1352, 1480)]