4081020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4001}}^1$

素因数の和:4030

約数の個数: 48

約数和(自身を含む): 12102048

約数和(自身を除く): 8021028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 4001, 8002, 12003, 16004, 20005, 24006, 40010, 48012, 60015, 68017, 80020, 120030, 136034, 204051, 240060, 272068, 340085, 408102, 680170, 816204, 1020255, 1360340, 2040510, 4081020]

約数ペア:

[(1, 4081020), (2, 2040510), (3, 1360340), (4, 1020255), (5, 816204), (6, 680170), (10, 408102), (12, 340085), (15, 272068), (17, 240060), (20, 204051), (30, 136034), (34, 120030), (51, 80020), (60, 68017), (68, 60015), (85, 48012), (102, 40010), (170, 24006), (204, 20005), (255, 16004), (340, 12003), (510, 8002), (1020, 4001)]