78413920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37699}}^1$

素因数の和:37727

約数の個数: 48

約数和(自身を含む): 199508400

約数和(自身を除く): 121094480

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, 37699, 75398, 150796, 188495, 301592, 376990, 490087, 603184, 753980, 980174, 1206368, 1507960, 1960348, 2450435, 3015920, 3920696, 4900870, 6031840, 7841392, 9801740, 15682784, 19603480, 39206960, 78413920]

約数ペア:

[(1, 78413920), (2, 39206960), (4, 19603480), (5, 15682784), (8, 9801740), (10, 7841392), (13, 6031840), (16, 4900870), (20, 3920696), (26, 3015920), (32, 2450435), (40, 1960348), (52, 1507960), (65, 1206368), (80, 980174), (104, 753980), (130, 603184), (160, 490087), (208, 376990), (260, 301592), (416, 188495), (520, 150796), (1040, 75398), (2080, 37699)]