55127920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22229}}^1$

素因数の和:22273

約数の個数: 40

約数和(自身を含む): 132312960

約数和(自身を除く): 77185040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 22229, 44458, 88916, 111145, 177832, 222290, 355664, 444580, 689099, 889160, 1378198, 1778320, 2756396, 3445495, 5512792, 6890990, 11025584, 13781980, 27563960, 55127920]

約数ペア:

[(1, 55127920), (2, 27563960), (4, 13781980), (5, 11025584), (8, 6890990), (10, 5512792), (16, 3445495), (20, 2756396), (31, 1778320), (40, 1378198), (62, 889160), (80, 689099), (124, 444580), (155, 355664), (248, 222290), (310, 177832), (496, 111145), (620, 88916), (1240, 44458), (2480, 22229)]