1640348020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1\times {\mathrm{8219}}^1$

素因数の和:8832

約数の個数: 48

約数和(自身を含む): 3654020160

約数和(自身を除く): 2013672140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 587, 1174, 2348, 2935, 5870, 8219, 9979, 11740, 16438, 19958, 32876, 39916, 41095, 49895, 82190, 99790, 139723, 164380, 199580, 279446, 558892, 698615, 1397230, 2794460, 4824553, 9649106, 19298212, 24122765, 48245530, 82017401, 96491060, 164034802, 328069604, 410087005, 820174010, 1640348020]

約数ペア:

[(1, 1640348020), (2, 820174010), (4, 410087005), (5, 328069604), (10, 164034802), (17, 96491060), (20, 82017401), (34, 48245530), (68, 24122765), (85, 19298212), (170, 9649106), (340, 4824553), (587, 2794460), (1174, 1397230), (2348, 698615), (2935, 558892), (5870, 279446), (8219, 199580), (9979, 164380), (11740, 139723), (16438, 99790), (19958, 82190), (32876, 49895), (39916, 41095)]