38839420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{571}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 86486400

約数和(自身を除く): 47646980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 179, 190, 358, 380, 571, 716, 895, 1142, 1790, 2284, 2855, 3401, 3580, 5710, 6802, 10849, 11420, 13604, 17005, 21698, 34010, 43396, 54245, 68020, 102209, 108490, 204418, 216980, 408836, 511045, 1022090, 1941971, 2044180, 3883942, 7767884, 9709855, 19419710, 38839420]

約数ペア:

[(1, 38839420), (2, 19419710), (4, 9709855), (5, 7767884), (10, 3883942), (19, 2044180), (20, 1941971), (38, 1022090), (76, 511045), (95, 408836), (179, 216980), (190, 204418), (358, 108490), (380, 102209), (571, 68020), (716, 54245), (895, 43396), (1142, 34010), (1790, 21698), (2284, 17005), (2855, 13604), (3401, 11420), (3580, 10849), (5710, 6802)]