31827640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:752

約数の個数: 64

約数和(自身を含む): 78039360

約数和(自身を除く): 46211720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 631, 776, 970, 1261, 1262, 1940, 2522, 2524, 3155, 3880, 5044, 5048, 6305, 6310, 8203, 10088, 12610, 12620, 16406, 25220, 25240, 32812, 41015, 50440, 61207, 65624, 82030, 122414, 164060, 244828, 306035, 328120, 489656, 612070, 795691, 1224140, 1591382, 2448280, 3182764, 3978455, 6365528, 7956910, 15913820, 31827640]

約数ペア:

[(1, 31827640), (2, 15913820), (4, 7956910), (5, 6365528), (8, 3978455), (10, 3182764), (13, 2448280), (20, 1591382), (26, 1224140), (40, 795691), (52, 612070), (65, 489656), (97, 328120), (104, 306035), (130, 244828), (194, 164060), (260, 122414), (388, 82030), (485, 65624), (520, 61207), (631, 50440), (776, 41015), (970, 32812), (1261, 25240), (1262, 25220), (1940, 16406), (2522, 12620), (2524, 12610), (3155, 10088), (3880, 8203), (5044, 6310), (5048, 6305)]