64428200

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{5281}}^1$

素因数の和:5358

約数の個数: 48

約数和(自身を含む): 152280060

約数和(自身を除く): 87851860

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 5281, 6100, 10562, 12200, 21124, 26405, 42248, 52810, 105620, 132025, 211240, 264050, 322141, 528100, 644282, 1056200, 1288564, 1610705, 2577128, 3221410, 6442820, 8053525, 12885640, 16107050, 32214100, 64428200]

約数ペア:

[(1, 64428200), (2, 32214100), (4, 16107050), (5, 12885640), (8, 8053525), (10, 6442820), (20, 3221410), (25, 2577128), (40, 1610705), (50, 1288564), (61, 1056200), (100, 644282), (122, 528100), (200, 322141), (244, 264050), (305, 211240), (488, 132025), (610, 105620), (1220, 52810), (1525, 42248), (2440, 26405), (3050, 21124), (5281, 12200), (6100, 10562)]