31497440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:844

約数の個数: 96

約数和(自身を含む): 84460320

約数和(自身を除く): 52962880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 797, 988, 1040, 1235, 1520, 1594, 1976, 2080, 2470, 3040, 3188, 3952, 3985, 4940, 6376, 7904, 7970, 9880, 10361, 12752, 15143, 15940, 19760, 20722, 25504, 30286, 31880, 39520, 41444, 51805, 60572, 63760, 75715, 82888, 103610, 121144, 127520, 151430, 165776, 196859, 207220, 242288, 302860, 331552, 393718, 414440, 484576, 605720, 787436, 828880, 984295, 1211440, 1574872, 1657760, 1968590, 2422880, 3149744, 3937180, 6299488, 7874360, 15748720, 31497440]

約数ペア:

[(1, 31497440), (2, 15748720), (4, 7874360), (5, 6299488), (8, 3937180), (10, 3149744), (13, 2422880), (16, 1968590), (19, 1657760), (20, 1574872), (26, 1211440), (32, 984295), (38, 828880), (40, 787436), (52, 605720), (65, 484576), (76, 414440), (80, 393718), (95, 331552), (104, 302860), (130, 242288), (152, 207220), (160, 196859), (190, 165776), (208, 151430), (247, 127520), (260, 121144), (304, 103610), (380, 82888), (416, 75715), (494, 63760), (520, 60572), (608, 51805), (760, 41444), (797, 39520), (988, 31880), (1040, 30286), (1235, 25504), (1520, 20722), (1594, 19760), (1976, 15940), (2080, 15143), (2470, 12752), (3040, 10361), (3188, 9880), (3952, 7970), (3985, 7904), (4940, 6376)]