38188540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{769}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 86929920

約数和(自身を除く): 48741380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 382, 764, 769, 955, 1538, 1910, 2483, 3076, 3820, 3845, 4966, 7690, 9932, 9997, 12415, 15380, 19994, 24830, 39988, 49660, 49985, 99970, 146879, 199940, 293758, 587516, 734395, 1468790, 1909427, 2937580, 3818854, 7637708, 9547135, 19094270, 38188540]

約数ペア:

[(1, 38188540), (2, 19094270), (4, 9547135), (5, 7637708), (10, 3818854), (13, 2937580), (20, 1909427), (26, 1468790), (52, 734395), (65, 587516), (130, 293758), (191, 199940), (260, 146879), (382, 99970), (764, 49985), (769, 49660), (955, 39988), (1538, 24830), (1910, 19994), (2483, 15380), (3076, 12415), (3820, 9997), (3845, 9932), (4966, 7690)]