26920040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1217}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 70156800

約数和(自身を除く): 43236760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1217, 1580, 2212, 2434, 2765, 3160, 4424, 4868, 5530, 6085, 8519, 9736, 11060, 12170, 17038, 22120, 24340, 34076, 42595, 48680, 68152, 85190, 96143, 170380, 192286, 340760, 384572, 480715, 673001, 769144, 961430, 1346002, 1922860, 2692004, 3365005, 3845720, 5384008, 6730010, 13460020, 26920040]

約数ペア:

[(1, 26920040), (2, 13460020), (4, 6730010), (5, 5384008), (7, 3845720), (8, 3365005), (10, 2692004), (14, 1922860), (20, 1346002), (28, 961430), (35, 769144), (40, 673001), (56, 480715), (70, 384572), (79, 340760), (140, 192286), (158, 170380), (280, 96143), (316, 85190), (395, 68152), (553, 48680), (632, 42595), (790, 34076), (1106, 24340), (1217, 22120), (1580, 17038), (2212, 12170), (2434, 11060), (2765, 9736), (3160, 8519), (4424, 6085), (4868, 5530)]