99776560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 251608896

約数和(自身を除く): 151832336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 197, 208, 260, 394, 487, 520, 788, 974, 985, 1040, 1576, 1948, 1970, 2435, 2561, 3152, 3896, 3940, 4870, 5122, 6331, 7792, 7880, 9740, 10244, 12662, 12805, 15760, 19480, 20488, 25324, 25610, 31655, 38960, 40976, 50648, 51220, 63310, 95939, 101296, 102440, 126620, 191878, 204880, 253240, 383756, 479695, 506480, 767512, 959390, 1247207, 1535024, 1918780, 2494414, 3837560, 4988828, 6236035, 7675120, 9977656, 12472070, 19955312, 24944140, 49888280, 99776560]

約数ペア:

[(1, 99776560), (2, 49888280), (4, 24944140), (5, 19955312), (8, 12472070), (10, 9977656), (13, 7675120), (16, 6236035), (20, 4988828), (26, 3837560), (40, 2494414), (52, 1918780), (65, 1535024), (80, 1247207), (104, 959390), (130, 767512), (197, 506480), (208, 479695), (260, 383756), (394, 253240), (487, 204880), (520, 191878), (788, 126620), (974, 102440), (985, 101296), (1040, 95939), (1576, 63310), (1948, 51220), (1970, 50648), (2435, 40976), (2561, 38960), (3152, 31655), (3896, 25610), (3940, 25324), (4870, 20488), (5122, 19480), (6331, 15760), (7792, 12805), (7880, 12662), (9740, 10244)]