66889160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 162993600

約数和(自身を除く): 96104440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 307, 419, 520, 614, 838, 1228, 1535, 1676, 2095, 2456, 3070, 3352, 3991, 4190, 5447, 6140, 7982, 8380, 10894, 12280, 15964, 16760, 19955, 21788, 27235, 31928, 39910, 43576, 54470, 79820, 108940, 128633, 159640, 217880, 257266, 514532, 643165, 1029064, 1286330, 1672229, 2572660, 3344458, 5145320, 6688916, 8361145, 13377832, 16722290, 33444580, 66889160]

約数ペア:

[(1, 66889160), (2, 33444580), (4, 16722290), (5, 13377832), (8, 8361145), (10, 6688916), (13, 5145320), (20, 3344458), (26, 2572660), (40, 1672229), (52, 1286330), (65, 1029064), (104, 643165), (130, 514532), (260, 257266), (307, 217880), (419, 159640), (520, 128633), (614, 108940), (838, 79820), (1228, 54470), (1535, 43576), (1676, 39910), (2095, 31928), (2456, 27235), (3070, 21788), (3352, 19955), (3991, 16760), (4190, 15964), (5447, 12280), (6140, 10894), (7982, 8380)]