38642560

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{499}}^1$

素因数の和:540

約数の個数: 96

約数和(自身を含む): 101745000

約数和(自身を除く): 63102440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 320, 352, 440, 484, 499, 605, 640, 704, 880, 968, 998, 1210, 1408, 1760, 1936, 1996, 2420, 2495, 3520, 3872, 3992, 4840, 4990, 5489, 7040, 7744, 7984, 9680, 9980, 10978, 15488, 15968, 19360, 19960, 21956, 27445, 31936, 38720, 39920, 43912, 54890, 60379, 63872, 77440, 79840, 87824, 109780, 120758, 159680, 175648, 219560, 241516, 301895, 319360, 351296, 439120, 483032, 603790, 702592, 878240, 966064, 1207580, 1756480, 1932128, 2415160, 3512960, 3864256, 4830320, 7728512, 9660640, 19321280, 38642560]

約数ペア:

[(1, 38642560), (2, 19321280), (4, 9660640), (5, 7728512), (8, 4830320), (10, 3864256), (11, 3512960), (16, 2415160), (20, 1932128), (22, 1756480), (32, 1207580), (40, 966064), (44, 878240), (55, 702592), (64, 603790), (80, 483032), (88, 439120), (110, 351296), (121, 319360), (128, 301895), (160, 241516), (176, 219560), (220, 175648), (242, 159680), (320, 120758), (352, 109780), (440, 87824), (484, 79840), (499, 77440), (605, 63872), (640, 60379), (704, 54890), (880, 43912), (968, 39920), (998, 38720), (1210, 31936), (1408, 27445), (1760, 21956), (1936, 19960), (1996, 19360), (2420, 15968), (2495, 15488), (3520, 10978), (3872, 9980), (3992, 9680), (4840, 7984), (4990, 7744), (5489, 7040)]