32143280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1054

約数の個数: 80

約数和(自身を含む): 83161344

約数和(自身を除く): 51018064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 997, 1040, 1240, 1612, 1994, 2015, 2480, 3224, 3988, 4030, 4985, 6448, 7976, 8060, 9970, 12961, 15952, 16120, 19940, 25922, 30907, 32240, 39880, 51844, 61814, 64805, 79760, 103688, 123628, 129610, 154535, 207376, 247256, 259220, 309070, 401791, 494512, 518440, 618140, 803582, 1036880, 1236280, 1607164, 2008955, 2472560, 3214328, 4017910, 6428656, 8035820, 16071640, 32143280]

約数ペア:

[(1, 32143280), (2, 16071640), (4, 8035820), (5, 6428656), (8, 4017910), (10, 3214328), (13, 2472560), (16, 2008955), (20, 1607164), (26, 1236280), (31, 1036880), (40, 803582), (52, 618140), (62, 518440), (65, 494512), (80, 401791), (104, 309070), (124, 259220), (130, 247256), (155, 207376), (208, 154535), (248, 129610), (260, 123628), (310, 103688), (403, 79760), (496, 64805), (520, 61814), (620, 51844), (806, 39880), (997, 32240), (1040, 30907), (1240, 25922), (1612, 19940), (1994, 16120), (2015, 15952), (2480, 12961), (3224, 9970), (3988, 8060), (4030, 7976), (4985, 6448)]