49521380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 107775360

約数和(自身を除く): 58253980

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 647, 860, 890, 1294, 1780, 2588, 3235, 3827, 6470, 7654, 12940, 15308, 19135, 27821, 38270, 55642, 57583, 76540, 111284, 115166, 139105, 230332, 278210, 287915, 556420, 575830, 1151660, 2476069, 4952138, 9904276, 12380345, 24760690, 49521380]

約数ペア:

[(1, 49521380), (2, 24760690), (4, 12380345), (5, 9904276), (10, 4952138), (20, 2476069), (43, 1151660), (86, 575830), (89, 556420), (172, 287915), (178, 278210), (215, 230332), (356, 139105), (430, 115166), (445, 111284), (647, 76540), (860, 57583), (890, 55642), (1294, 38270), (1780, 27821), (2588, 19135), (3235, 15308), (3827, 12940), (6470, 7654)]