64767440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27917}}^1$

素因数の和:27959

約数の個数: 40

約数和(自身を含む): 155782440

約数和(自身を除く): 91015000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 27917, 55834, 111668, 139585, 223336, 279170, 446672, 558340, 809593, 1116680, 1619186, 2233360, 3238372, 4047965, 6476744, 8095930, 12953488, 16191860, 32383720, 64767440]

約数ペア:

[(1, 64767440), (2, 32383720), (4, 16191860), (5, 12953488), (8, 8095930), (10, 6476744), (16, 4047965), (20, 3238372), (29, 2233360), (40, 1619186), (58, 1116680), (80, 809593), (116, 558340), (145, 446672), (232, 279170), (290, 223336), (464, 139585), (580, 111668), (1160, 55834), (2320, 27917)]