42005860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161561}}^1$

素因数の和:161583

約数の個数: 24

約数和(自身を含む): 94998456

約数和(自身を除く): 52992596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 161561, 323122, 646244, 807805, 1615610, 2100293, 3231220, 4200586, 8401172, 10501465, 21002930, 42005860]

約数ペア:

[(1, 42005860), (2, 21002930), (4, 10501465), (5, 8401172), (10, 4200586), (13, 3231220), (20, 2100293), (26, 1615610), (52, 807805), (65, 646244), (130, 323122), (260, 161561)]