53278399660

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{991}}^1\times {\mathrm{5387}}^1$

素因数の和:6886

約数の個数: 48

約数和(自身を含む): 112242816000

約数和(自身を除く): 58964416340

約数列:

[1, 2, 4, 5, 10, 20, 499, 991, 998, 1982, 1996, 2495, 3964, 4955, 4990, 5387, 9910, 9980, 10774, 19820, 21548, 26935, 53870, 107740, 494509, 989018, 1978036, 2472545, 2688113, 4945090, 5338517, 5376226, 9890180, 10677034, 10752452, 13440565, 21354068, 26692585, 26881130, 53385170, 53762260, 106770340, 2663919983, 5327839966, 10655679932, 13319599915, 26639199830, 53278399660]

約数ペア:

[(1, 53278399660), (2, 26639199830), (4, 13319599915), (5, 10655679932), (10, 5327839966), (20, 2663919983), (499, 106770340), (991, 53762260), (998, 53385170), (1982, 26881130), (1996, 26692585), (2495, 21354068), (3964, 13440565), (4955, 10752452), (4990, 10677034), (5387, 9890180), (9910, 5376226), (9980, 5338517), (10774, 4945090), (19820, 2688113), (21548, 2472545), (26935, 1978036), (53870, 989018), (107740, 494509)]