29747920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19571}}^1$

素因数の和:19603

約数の個数: 40

約数和(自身を含む): 72807840

約数和(自身を除く): 43059920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 19571, 39142, 78284, 97855, 156568, 195710, 313136, 371849, 391420, 743698, 782840, 1487396, 1565680, 1859245, 2974792, 3718490, 5949584, 7436980, 14873960, 29747920]

約数ペア:

[(1, 29747920), (2, 14873960), (4, 7436980), (5, 5949584), (8, 3718490), (10, 2974792), (16, 1859245), (19, 1565680), (20, 1487396), (38, 782840), (40, 743698), (76, 391420), (80, 371849), (95, 313136), (152, 195710), (190, 156568), (304, 97855), (380, 78284), (760, 39142), (1520, 19571)]