31591040

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3797}}^1$

素因数の和:3829

約数の個数: 64

約数和(自身を含む): 81353160

約数和(自身を除く): 49762120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 3797, 4160, 7594, 8320, 15188, 18985, 30376, 37970, 49361, 60752, 75940, 98722, 121504, 151880, 197444, 243008, 246805, 303760, 394888, 486016, 493610, 607520, 789776, 987220, 1215040, 1579552, 1974440, 2430080, 3159104, 3948880, 6318208, 7897760, 15795520, 31591040]

約数ペア:

[(1, 31591040), (2, 15795520), (4, 7897760), (5, 6318208), (8, 3948880), (10, 3159104), (13, 2430080), (16, 1974440), (20, 1579552), (26, 1215040), (32, 987220), (40, 789776), (52, 607520), (64, 493610), (65, 486016), (80, 394888), (104, 303760), (128, 246805), (130, 243008), (160, 197444), (208, 151880), (260, 121504), (320, 98722), (416, 75940), (520, 60752), (640, 49361), (832, 37970), (1040, 30376), (1664, 18985), (2080, 15188), (3797, 8320), (4160, 7594)]