82591480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1136

約数の個数: 64

約数和(自身を含む): 197604000

約数和(自身を除く): 115012520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 760, 872, 997, 1090, 1994, 2071, 2180, 3988, 4142, 4360, 4985, 7976, 8284, 9970, 10355, 16568, 18943, 19940, 20710, 37886, 39880, 41420, 75772, 82840, 94715, 108673, 151544, 189430, 217346, 378860, 434692, 543365, 757720, 869384, 1086730, 2064787, 2173460, 4129574, 4346920, 8259148, 10323935, 16518296, 20647870, 41295740, 82591480]

約数ペア:

[(1, 82591480), (2, 41295740), (4, 20647870), (5, 16518296), (8, 10323935), (10, 8259148), (19, 4346920), (20, 4129574), (38, 2173460), (40, 2064787), (76, 1086730), (95, 869384), (109, 757720), (152, 543365), (190, 434692), (218, 378860), (380, 217346), (436, 189430), (545, 151544), (760, 108673), (872, 94715), (997, 82840), (1090, 75772), (1994, 41420), (2071, 39880), (2180, 37886), (3988, 20710), (4142, 19940), (4360, 18943), (4985, 16568), (7976, 10355), (8284, 9970)]