80447450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 156519000

約数和(自身を除く): 76071550

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 109, 145, 218, 290, 509, 545, 725, 1018, 1090, 1450, 2545, 2725, 3161, 5090, 5450, 6322, 12725, 14761, 15805, 25450, 29522, 31610, 55481, 73805, 79025, 110962, 147610, 158050, 277405, 369025, 554810, 738050, 1387025, 1608949, 2774050, 3217898, 8044745, 16089490, 40223725, 80447450]

約数ペア:

[(1, 80447450), (2, 40223725), (5, 16089490), (10, 8044745), (25, 3217898), (29, 2774050), (50, 1608949), (58, 1387025), (109, 738050), (145, 554810), (218, 369025), (290, 277405), (509, 158050), (545, 147610), (725, 110962), (1018, 79025), (1090, 73805), (1450, 55481), (2545, 31610), (2725, 29522), (3161, 25450), (5090, 15805), (5450, 14761), (6322, 12725)]