2018012750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{1759}}^1$

素因数の和:2142

約数の個数: 64

約数和(自身を含む): 4082158080

約数和(自身を除く): 2064145330

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 353, 650, 706, 1625, 1759, 1765, 3250, 3518, 3530, 4589, 8795, 8825, 9178, 17590, 17650, 22867, 22945, 43975, 44125, 45734, 45890, 87950, 88250, 114335, 114725, 219875, 228670, 229450, 439750, 571675, 573625, 620927, 1143350, 1147250, 1241854, 2858375, 3104635, 5716750, 6209270, 8072051, 15523175, 16144102, 31046350, 40360255, 77615875, 80720510, 155231750, 201801275, 403602550, 1009006375, 2018012750]

約数ペア:

[(1, 2018012750), (2, 1009006375), (5, 403602550), (10, 201801275), (13, 155231750), (25, 80720510), (26, 77615875), (50, 40360255), (65, 31046350), (125, 16144102), (130, 15523175), (250, 8072051), (325, 6209270), (353, 5716750), (650, 3104635), (706, 2858375), (1625, 1241854), (1759, 1147250), (1765, 1143350), (3250, 620927), (3518, 573625), (3530, 571675), (4589, 439750), (8795, 229450), (8825, 228670), (9178, 219875), (17590, 114725), (17650, 114335), (22867, 88250), (22945, 87950), (43975, 45890), (44125, 45734)]