72231920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47521}}^1$

素因数の和:47553

約数の個数: 40

約数和(自身を含む): 176781840

約数和(自身を除く): 104549920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 47521, 95042, 190084, 237605, 380168, 475210, 760336, 902899, 950420, 1805798, 1900840, 3611596, 3801680, 4514495, 7223192, 9028990, 14446384, 18057980, 36115960, 72231920]

約数ペア:

[(1, 72231920), (2, 36115960), (4, 18057980), (5, 14446384), (8, 9028990), (10, 7223192), (16, 4514495), (19, 3801680), (20, 3611596), (38, 1900840), (40, 1805798), (76, 950420), (80, 902899), (95, 760336), (152, 475210), (190, 380168), (304, 237605), (380, 190084), (760, 95042), (1520, 47521)]