38121980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7717}}^1$

素因数の和:7758

約数の個数: 48

約数和(自身を含む): 90763680

約数和(自身を除く): 52641700

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, 7717, 15434, 30868, 38585, 77170, 100321, 146623, 154340, 200642, 293246, 401284, 501605, 586492, 733115, 1003210, 1466230, 1906099, 2006420, 2932460, 3812198, 7624396, 9530495, 19060990, 38121980]

約数ペア:

[(1, 38121980), (2, 19060990), (4, 9530495), (5, 7624396), (10, 3812198), (13, 2932460), (19, 2006420), (20, 1906099), (26, 1466230), (38, 1003210), (52, 733115), (65, 586492), (76, 501605), (95, 401284), (130, 293246), (190, 200642), (247, 154340), (260, 146623), (380, 100321), (494, 77170), (988, 38585), (1235, 30868), (2470, 15434), (4940, 7717)]