42080980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 91445760

約数和(自身を除く): 49364780

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 178, 188, 235, 356, 445, 470, 503, 890, 940, 1006, 1780, 2012, 2515, 4183, 5030, 8366, 10060, 16732, 20915, 23641, 41830, 44767, 47282, 83660, 89534, 94564, 118205, 179068, 223835, 236410, 447670, 472820, 895340, 2104049, 4208098, 8416196, 10520245, 21040490, 42080980]

約数ペア:

[(1, 42080980), (2, 21040490), (4, 10520245), (5, 8416196), (10, 4208098), (20, 2104049), (47, 895340), (89, 472820), (94, 447670), (178, 236410), (188, 223835), (235, 179068), (356, 118205), (445, 94564), (470, 89534), (503, 83660), (890, 47282), (940, 44767), (1006, 41830), (1780, 23641), (2012, 20915), (2515, 16732), (4183, 10060), (5030, 8366)]