40048940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1931}}^1$

素因数の和:2018

約数の個数: 48

約数和(自身を含む): 90556704

約数和(自身を除く): 50507764

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 1931, 2074, 3862, 4148, 5185, 7724, 9655, 10370, 19310, 20740, 32827, 38620, 65654, 117791, 131308, 164135, 235582, 328270, 471164, 588955, 656540, 1177910, 2002447, 2355820, 4004894, 8009788, 10012235, 20024470, 40048940]

約数ペア:

[(1, 40048940), (2, 20024470), (4, 10012235), (5, 8009788), (10, 4004894), (17, 2355820), (20, 2002447), (34, 1177910), (61, 656540), (68, 588955), (85, 471164), (122, 328270), (170, 235582), (244, 164135), (305, 131308), (340, 117791), (610, 65654), (1037, 38620), (1220, 32827), (1931, 20740), (2074, 19310), (3862, 10370), (4148, 9655), (5185, 7724)]