90436580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18307}}^1$

素因数の和:18348

約数の個数: 48

約数和(自身を含む): 215302080

約数和(自身を除く): 124865500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 18307, 36614, 73228, 91535, 183070, 237991, 347833, 366140, 475982, 695666, 951964, 1189955, 1391332, 1739165, 2379910, 3478330, 4521829, 4759820, 6956660, 9043658, 18087316, 22609145, 45218290, 90436580]

約数ペア:

[(1, 90436580), (2, 45218290), (4, 22609145), (5, 18087316), (10, 9043658), (13, 6956660), (19, 4759820), (20, 4521829), (26, 3478330), (38, 2379910), (52, 1739165), (65, 1391332), (76, 1189955), (95, 951964), (130, 695666), (190, 475982), (247, 366140), (260, 347833), (380, 237991), (494, 183070), (988, 91535), (1235, 73228), (2470, 36614), (4940, 18307)]