9780550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 20123712

約数和(自身を除く): 10343162

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 130, 205, 325, 367, 410, 533, 650, 734, 1025, 1066, 1835, 2050, 2665, 3670, 4771, 5330, 9175, 9542, 13325, 15047, 18350, 23855, 26650, 30094, 47710, 75235, 119275, 150470, 195611, 238550, 376175, 391222, 752350, 978055, 1956110, 4890275, 9780550]

約数ペア:

[(1, 9780550), (2, 4890275), (5, 1956110), (10, 978055), (13, 752350), (25, 391222), (26, 376175), (41, 238550), (50, 195611), (65, 150470), (82, 119275), (130, 75235), (205, 47710), (325, 30094), (367, 26650), (410, 23855), (533, 18350), (650, 15047), (734, 13325), (1025, 9542), (1066, 9175), (1835, 5330), (2050, 4771), (2665, 3670)]