40213420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154667}}^1$

素因数の和:154689

約数の個数: 24

約数和(自身を含む): 90944784

約数和(自身を除く): 50731364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 154667, 309334, 618668, 773335, 1546670, 2010671, 3093340, 4021342, 8042684, 10053355, 20106710, 40213420]

約数ペア:

[(1, 40213420), (2, 20106710), (4, 10053355), (5, 8042684), (10, 4021342), (13, 3093340), (20, 2010671), (26, 1546670), (52, 773335), (65, 618668), (130, 309334), (260, 154667)]