520047160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{1583}}^1$

素因数の和:1828

約数の個数: 64

約数和(自身を含む): 1204346880

約数和(自身を除く): 684299720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 191, 215, 344, 382, 430, 764, 860, 955, 1528, 1583, 1720, 1910, 3166, 3820, 6332, 7640, 7915, 8213, 12664, 15830, 16426, 31660, 32852, 41065, 63320, 65704, 68069, 82130, 136138, 164260, 272276, 302353, 328520, 340345, 544552, 604706, 680690, 1209412, 1361380, 1511765, 2418824, 2722760, 3023530, 6047060, 12094120, 13001179, 26002358, 52004716, 65005895, 104009432, 130011790, 260023580, 520047160]

約数ペア:

[(1, 520047160), (2, 260023580), (4, 130011790), (5, 104009432), (8, 65005895), (10, 52004716), (20, 26002358), (40, 13001179), (43, 12094120), (86, 6047060), (172, 3023530), (191, 2722760), (215, 2418824), (344, 1511765), (382, 1361380), (430, 1209412), (764, 680690), (860, 604706), (955, 544552), (1528, 340345), (1583, 328520), (1720, 302353), (1910, 272276), (3166, 164260), (3820, 136138), (6332, 82130), (7640, 68069), (7915, 65704), (8213, 63320), (12664, 41065), (15830, 32852), (16426, 31660)]