15913820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 36418368

約数和(自身を除く): 20504548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 631, 970, 1261, 1262, 1940, 2522, 2524, 3155, 5044, 6305, 6310, 8203, 12610, 12620, 16406, 25220, 32812, 41015, 61207, 82030, 122414, 164060, 244828, 306035, 612070, 795691, 1224140, 1591382, 3182764, 3978455, 7956910, 15913820]

約数ペア:

[(1, 15913820), (2, 7956910), (4, 3978455), (5, 3182764), (10, 1591382), (13, 1224140), (20, 795691), (26, 612070), (52, 306035), (65, 244828), (97, 164060), (130, 122414), (194, 82030), (260, 61207), (388, 41015), (485, 32812), (631, 25220), (970, 16406), (1261, 12620), (1262, 12610), (1940, 8203), (2522, 6310), (2524, 6305), (3155, 5044)]