130263640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{631}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 316935360

約数和(自身を除く): 186671720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 397, 520, 631, 794, 1262, 1588, 1985, 2524, 3155, 3176, 3970, 5048, 5161, 6310, 7940, 8203, 10322, 12620, 15880, 16406, 20644, 25240, 25805, 32812, 41015, 41288, 51610, 65624, 82030, 103220, 164060, 206440, 250507, 328120, 501014, 1002028, 1252535, 2004056, 2505070, 3256591, 5010140, 6513182, 10020280, 13026364, 16282955, 26052728, 32565910, 65131820, 130263640]

約数ペア:

[(1, 130263640), (2, 65131820), (4, 32565910), (5, 26052728), (8, 16282955), (10, 13026364), (13, 10020280), (20, 6513182), (26, 5010140), (40, 3256591), (52, 2505070), (65, 2004056), (104, 1252535), (130, 1002028), (260, 501014), (397, 328120), (520, 250507), (631, 206440), (794, 164060), (1262, 103220), (1588, 82030), (1985, 65624), (2524, 51610), (3155, 41288), (3176, 41015), (3970, 32812), (5048, 25805), (5161, 25240), (6310, 20644), (7940, 16406), (8203, 15880), (10322, 12620)]