39988140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21499}}^1$

素因数の和:21542

約数の個数: 48

約数和(自身を含む): 115584000

約数和(自身を除く): 75595860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 21499, 42998, 64497, 85996, 107495, 128994, 214990, 257988, 322485, 429980, 644970, 666469, 1289940, 1332938, 1999407, 2665876, 3332345, 3998814, 6664690, 7997628, 9997035, 13329380, 19994070, 39988140]

約数ペア:

[(1, 39988140), (2, 19994070), (3, 13329380), (4, 9997035), (5, 7997628), (6, 6664690), (10, 3998814), (12, 3332345), (15, 2665876), (20, 1999407), (30, 1332938), (31, 1289940), (60, 666469), (62, 644970), (93, 429980), (124, 322485), (155, 257988), (186, 214990), (310, 128994), (372, 107495), (465, 85996), (620, 64497), (930, 42998), (1860, 21499)]