27944780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 61344864

約数和(自身を除く): 33400084

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 643, 820, 1060, 1286, 2173, 2572, 3215, 4346, 6430, 8692, 10865, 12860, 21730, 26363, 34079, 43460, 52726, 68158, 105452, 131815, 136316, 170395, 263630, 340790, 527260, 681580, 1397239, 2794478, 5588956, 6986195, 13972390, 27944780]

約数ペア:

[(1, 27944780), (2, 13972390), (4, 6986195), (5, 5588956), (10, 2794478), (20, 1397239), (41, 681580), (53, 527260), (82, 340790), (106, 263630), (164, 170395), (205, 136316), (212, 131815), (265, 105452), (410, 68158), (530, 52726), (643, 43460), (820, 34079), (1060, 26363), (1286, 21730), (2173, 12860), (2572, 10865), (3215, 8692), (4346, 6430)]