15997420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 35562240

約数和(自身を除く): 19564820

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 83, 92, 115, 166, 230, 332, 415, 419, 460, 830, 838, 1660, 1676, 1909, 2095, 3818, 4190, 7636, 8380, 9545, 9637, 19090, 19274, 34777, 38180, 38548, 48185, 69554, 96370, 139108, 173885, 192740, 347770, 695540, 799871, 1599742, 3199484, 3999355, 7998710, 15997420]

約数ペア:

[(1, 15997420), (2, 7998710), (4, 3999355), (5, 3199484), (10, 1599742), (20, 799871), (23, 695540), (46, 347770), (83, 192740), (92, 173885), (115, 139108), (166, 96370), (230, 69554), (332, 48185), (415, 38548), (419, 38180), (460, 34777), (830, 19274), (838, 19090), (1660, 9637), (1676, 9545), (1909, 8380), (2095, 7636), (3818, 4190)]