30426920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18553}}^1$

素因数の和:18605

約数の個数: 32

約数和(自身を含む): 70134120

約数和(自身を除く): 39707200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 18553, 37106, 74212, 92765, 148424, 185530, 371060, 742120, 760673, 1521346, 3042692, 3803365, 6085384, 7606730, 15213460, 30426920]

約数ペア:

[(1, 30426920), (2, 15213460), (4, 7606730), (5, 6085384), (8, 3803365), (10, 3042692), (20, 1521346), (40, 760673), (41, 742120), (82, 371060), (164, 185530), (205, 148424), (328, 92765), (410, 74212), (820, 37106), (1640, 18553)]