42867280

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3413}}^1$

素因数の和:3583

約数の個数: 40

約数和(自身を含む): 100330632

約数和(自身を除く): 57463352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 3413, 6280, 6826, 12560, 13652, 17065, 27304, 34130, 54608, 68260, 136520, 273040, 535841, 1071682, 2143364, 2679205, 4286728, 5358410, 8573456, 10716820, 21433640, 42867280]

約数ペア:

[(1, 42867280), (2, 21433640), (4, 10716820), (5, 8573456), (8, 5358410), (10, 4286728), (16, 2679205), (20, 2143364), (40, 1071682), (80, 535841), (157, 273040), (314, 136520), (628, 68260), (785, 54608), (1256, 34130), (1570, 27304), (2512, 17065), (3140, 13652), (3413, 12560), (6280, 6826)]