42627140

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25679}}^1$

素因数の和:25771

約数の個数: 24

約数和(自身を含む): 90599040

約数和(自身を除く): 47971900

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 25679, 51358, 102716, 128395, 256790, 513580, 2131357, 4262714, 8525428, 10656785, 21313570, 42627140]

約数ペア:

[(1, 42627140), (2, 21313570), (4, 10656785), (5, 8525428), (10, 4262714), (20, 2131357), (83, 513580), (166, 256790), (332, 128395), (415, 102716), (830, 51358), (1660, 25679)]