38622440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 92664000

約数和(自身を除く): 54041560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 571, 712, 760, 890, 1142, 1691, 1780, 2284, 2855, 3382, 3560, 4568, 5710, 6764, 8455, 10849, 11420, 13528, 16910, 21698, 22840, 33820, 43396, 50819, 54245, 67640, 86792, 101638, 108490, 203276, 216980, 254095, 406552, 433960, 508190, 965561, 1016380, 1931122, 2032760, 3862244, 4827805, 7724488, 9655610, 19311220, 38622440]

約数ペア:

[(1, 38622440), (2, 19311220), (4, 9655610), (5, 7724488), (8, 4827805), (10, 3862244), (19, 2032760), (20, 1931122), (38, 1016380), (40, 965561), (76, 508190), (89, 433960), (95, 406552), (152, 254095), (178, 216980), (190, 203276), (356, 108490), (380, 101638), (445, 86792), (571, 67640), (712, 54245), (760, 50819), (890, 43396), (1142, 33820), (1691, 22840), (1780, 21698), (2284, 16910), (2855, 13528), (3382, 11420), (3560, 10849), (4568, 8455), (5710, 6764)]