15976220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1429}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 36996960

約数和(自身を除く): 21020740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1429, 2236, 2795, 2858, 5590, 5716, 7145, 11180, 14290, 18577, 28580, 37154, 61447, 74308, 92885, 122894, 185770, 245788, 307235, 371540, 614470, 798811, 1228940, 1597622, 3195244, 3994055, 7988110, 15976220]

約数ペア:

[(1, 15976220), (2, 7988110), (4, 3994055), (5, 3195244), (10, 1597622), (13, 1228940), (20, 798811), (26, 614470), (43, 371540), (52, 307235), (65, 245788), (86, 185770), (130, 122894), (172, 92885), (215, 74308), (260, 61447), (430, 37154), (559, 28580), (860, 18577), (1118, 14290), (1429, 11180), (2236, 7145), (2795, 5716), (2858, 5590)]