99789040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 251546400

約数和(自身を除く): 151757360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 229, 260, 419, 458, 520, 838, 916, 1040, 1145, 1676, 1832, 2095, 2290, 2977, 3352, 3664, 4190, 4580, 5447, 5954, 6704, 8380, 9160, 10894, 11908, 14885, 16760, 18320, 21788, 23816, 27235, 29770, 33520, 43576, 47632, 54470, 59540, 87152, 95951, 108940, 119080, 191902, 217880, 238160, 383804, 435760, 479755, 767608, 959510, 1247363, 1535216, 1919020, 2494726, 3838040, 4989452, 6236815, 7676080, 9978904, 12473630, 19957808, 24947260, 49894520, 99789040]

約数ペア:

[(1, 99789040), (2, 49894520), (4, 24947260), (5, 19957808), (8, 12473630), (10, 9978904), (13, 7676080), (16, 6236815), (20, 4989452), (26, 3838040), (40, 2494726), (52, 1919020), (65, 1535216), (80, 1247363), (104, 959510), (130, 767608), (208, 479755), (229, 435760), (260, 383804), (419, 238160), (458, 217880), (520, 191902), (838, 119080), (916, 108940), (1040, 95951), (1145, 87152), (1676, 59540), (1832, 54470), (2095, 47632), (2290, 43576), (2977, 33520), (3352, 29770), (3664, 27235), (4190, 23816), (4580, 21788), (5447, 18320), (5954, 16760), (6704, 14885), (8380, 11908), (9160, 10894)]