91021840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12503}}^1$

素因数の和:12536

約数の個数: 80

約数和(自身を含む): 260483328

約数和(自身を除く): 169461488

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 12503, 25006, 50012, 62515, 87521, 100024, 125030, 162539, 175042, 200048, 250060, 325078, 350084, 437605, 500120, 650156, 700168, 812695, 875210, 1000240, 1137773, 1300312, 1400336, 1625390, 1750420, 2275546, 2600624, 3250780, 3500840, 4551092, 5688865, 6501560, 7001680, 9102184, 11377730, 13003120, 18204368, 22755460, 45510920, 91021840]

約数ペア:

[(1, 91021840), (2, 45510920), (4, 22755460), (5, 18204368), (7, 13003120), (8, 11377730), (10, 9102184), (13, 7001680), (14, 6501560), (16, 5688865), (20, 4551092), (26, 3500840), (28, 3250780), (35, 2600624), (40, 2275546), (52, 1750420), (56, 1625390), (65, 1400336), (70, 1300312), (80, 1137773), (91, 1000240), (104, 875210), (112, 812695), (130, 700168), (140, 650156), (182, 500120), (208, 437605), (260, 350084), (280, 325078), (364, 250060), (455, 200048), (520, 175042), (560, 162539), (728, 125030), (910, 100024), (1040, 87521), (1456, 62515), (1820, 50012), (3640, 25006), (7280, 12503)]