30431180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{117043}}^1$

素因数の和:117065

約数の個数: 24

約数和(自身を含む): 68821872

約数和(自身を除く): 38390692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 117043, 234086, 468172, 585215, 1170430, 1521559, 2340860, 3043118, 6086236, 7607795, 15215590, 30431180]

約数ペア:

[(1, 30431180), (2, 15215590), (4, 7607795), (5, 6086236), (10, 3043118), (13, 2340860), (20, 1521559), (26, 1170430), (52, 585215), (65, 468172), (130, 234086), (260, 117043)]