39131300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 94493952

約数和(自身を除く): 55362652

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 971, 1300, 1550, 1612, 1942, 2015, 3100, 3884, 4030, 4855, 8060, 9710, 10075, 12623, 19420, 20150, 24275, 25246, 30101, 40300, 48550, 50492, 60202, 63115, 97100, 120404, 126230, 150505, 252460, 301010, 315575, 391313, 602020, 631150, 752525, 782626, 1262300, 1505050, 1565252, 1956565, 3010100, 3913130, 7826260, 9782825, 19565650, 39131300]

約数ペア:

[(1, 39131300), (2, 19565650), (4, 9782825), (5, 7826260), (10, 3913130), (13, 3010100), (20, 1956565), (25, 1565252), (26, 1505050), (31, 1262300), (50, 782626), (52, 752525), (62, 631150), (65, 602020), (100, 391313), (124, 315575), (130, 301010), (155, 252460), (260, 150505), (310, 126230), (325, 120404), (403, 97100), (620, 63115), (650, 60202), (775, 50492), (806, 48550), (971, 40300), (1300, 30101), (1550, 25246), (1612, 24275), (1942, 20150), (2015, 19420), (3100, 12623), (3884, 10075), (4030, 9710), (4855, 8060)]