31266560

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1879}}^1$

素因数の和:1913

約数の個数: 72

約数和(自身を含む): 80697120

約数和(自身を除く): 49430560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 1879, 2080, 3328, 3758, 4160, 7516, 8320, 9395, 15032, 16640, 18790, 24427, 30064, 37580, 48854, 60128, 75160, 97708, 120256, 122135, 150320, 195416, 240512, 244270, 300640, 390832, 481024, 488540, 601280, 781664, 977080, 1202560, 1563328, 1954160, 2405120, 3126656, 3908320, 6253312, 7816640, 15633280, 31266560]

約数ペア:

[(1, 31266560), (2, 15633280), (4, 7816640), (5, 6253312), (8, 3908320), (10, 3126656), (13, 2405120), (16, 1954160), (20, 1563328), (26, 1202560), (32, 977080), (40, 781664), (52, 601280), (64, 488540), (65, 481024), (80, 390832), (104, 300640), (128, 244270), (130, 240512), (160, 195416), (208, 150320), (256, 122135), (260, 120256), (320, 97708), (416, 75160), (520, 60128), (640, 48854), (832, 37580), (1040, 30064), (1280, 24427), (1664, 18790), (1879, 16640), (2080, 15032), (3328, 9395), (3758, 8320), (4160, 7516)]