26940040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^2\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 61965540

約数和(自身を除く): 35025500

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 181, 244, 305, 362, 488, 610, 724, 905, 1220, 1448, 1810, 2440, 3620, 3721, 7240, 7442, 11041, 14884, 18605, 22082, 29768, 37210, 44164, 55205, 74420, 88328, 110410, 148840, 220820, 441640, 673501, 1347002, 2694004, 3367505, 5388008, 6735010, 13470020, 26940040]

約数ペア:

[(1, 26940040), (2, 13470020), (4, 6735010), (5, 5388008), (8, 3367505), (10, 2694004), (20, 1347002), (40, 673501), (61, 441640), (122, 220820), (181, 148840), (244, 110410), (305, 88328), (362, 74420), (488, 55205), (610, 44164), (724, 37210), (905, 29768), (1220, 22082), (1448, 18605), (1810, 14884), (2440, 11041), (3620, 7442), (3721, 7240)]