47291920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1229}}^1$

素因数の和:1292

約数の個数: 80

約数和(自身を含む): 121710960

約数和(自身を除く): 74419040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1229, 1480, 1924, 2405, 2458, 2960, 3848, 4810, 4916, 6145, 7696, 9620, 9832, 12290, 15977, 19240, 19664, 24580, 31954, 38480, 45473, 49160, 63908, 79885, 90946, 98320, 127816, 159770, 181892, 227365, 255632, 319540, 363784, 454730, 591149, 639080, 727568, 909460, 1182298, 1278160, 1818920, 2364596, 2955745, 3637840, 4729192, 5911490, 9458384, 11822980, 23645960, 47291920]

約数ペア:

[(1, 47291920), (2, 23645960), (4, 11822980), (5, 9458384), (8, 5911490), (10, 4729192), (13, 3637840), (16, 2955745), (20, 2364596), (26, 1818920), (37, 1278160), (40, 1182298), (52, 909460), (65, 727568), (74, 639080), (80, 591149), (104, 454730), (130, 363784), (148, 319540), (185, 255632), (208, 227365), (260, 181892), (296, 159770), (370, 127816), (481, 98320), (520, 90946), (592, 79885), (740, 63908), (962, 49160), (1040, 45473), (1229, 38480), (1480, 31954), (1924, 24580), (2405, 19664), (2458, 19240), (2960, 15977), (3848, 12290), (4810, 9832), (4916, 9620), (6145, 7696)]