16071640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 40239360

約数和(自身を除く): 24167720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 997, 1240, 1612, 1994, 2015, 3224, 3988, 4030, 4985, 7976, 8060, 9970, 12961, 16120, 19940, 25922, 30907, 39880, 51844, 61814, 64805, 103688, 123628, 129610, 154535, 247256, 259220, 309070, 401791, 518440, 618140, 803582, 1236280, 1607164, 2008955, 3214328, 4017910, 8035820, 16071640]

約数ペア:

[(1, 16071640), (2, 8035820), (4, 4017910), (5, 3214328), (8, 2008955), (10, 1607164), (13, 1236280), (20, 803582), (26, 618140), (31, 518440), (40, 401791), (52, 309070), (62, 259220), (65, 247256), (104, 154535), (124, 129610), (130, 123628), (155, 103688), (248, 64805), (260, 61814), (310, 51844), (403, 39880), (520, 30907), (620, 25922), (806, 19940), (997, 16120), (1240, 12961), (1612, 9970), (1994, 8060), (2015, 7976), (3224, 4985), (3988, 4030)]