255306080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51473}}^1$

素因数の和:51519

約数の個数: 48

約数和(自身を含む): 622629504

約数和(自身を除く): 367323424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 51473, 102946, 205892, 257365, 411784, 514730, 823568, 1029460, 1595663, 1647136, 2058920, 3191326, 4117840, 6382652, 7978315, 8235680, 12765304, 15956630, 25530608, 31913260, 51061216, 63826520, 127653040, 255306080]

約数ペア:

[(1, 255306080), (2, 127653040), (4, 63826520), (5, 51061216), (8, 31913260), (10, 25530608), (16, 15956630), (20, 12765304), (31, 8235680), (32, 7978315), (40, 6382652), (62, 4117840), (80, 3191326), (124, 2058920), (155, 1647136), (160, 1595663), (248, 1029460), (310, 823568), (496, 514730), (620, 411784), (992, 257365), (1240, 205892), (2480, 102946), (4960, 51473)]