38627840

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:293

約数の個数: 80

約数和(自身を含む): 94279680

約数和(自身を除く): 55651840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 191, 256, 316, 320, 382, 395, 512, 632, 640, 764, 790, 955, 1264, 1280, 1528, 1580, 1910, 2528, 2560, 3056, 3160, 3820, 5056, 6112, 6320, 7640, 10112, 12224, 12640, 15089, 15280, 20224, 24448, 25280, 30178, 30560, 40448, 48896, 50560, 60356, 61120, 75445, 97792, 101120, 120712, 122240, 150890, 202240, 241424, 244480, 301780, 482848, 488960, 603560, 965696, 1207120, 1931392, 2414240, 3862784, 4828480, 7725568, 9656960, 19313920, 38627840]

約数ペア:

[(1, 38627840), (2, 19313920), (4, 9656960), (5, 7725568), (8, 4828480), (10, 3862784), (16, 2414240), (20, 1931392), (32, 1207120), (40, 965696), (64, 603560), (79, 488960), (80, 482848), (128, 301780), (158, 244480), (160, 241424), (191, 202240), (256, 150890), (316, 122240), (320, 120712), (382, 101120), (395, 97792), (512, 75445), (632, 61120), (640, 60356), (764, 50560), (790, 48896), (955, 40448), (1264, 30560), (1280, 30178), (1528, 25280), (1580, 24448), (1910, 20224), (2528, 15280), (2560, 15089), (3056, 12640), (3160, 12224), (3820, 10112), (5056, 7640), (6112, 6320)]