26605000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 66213180

約数和(自身を除く): 39608180

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 250, 313, 340, 425, 500, 625, 626, 680, 850, 1000, 1250, 1252, 1565, 1700, 2125, 2500, 2504, 3130, 3400, 4250, 5000, 5321, 6260, 7825, 8500, 10625, 10642, 12520, 15650, 17000, 21250, 21284, 26605, 31300, 39125, 42500, 42568, 53210, 62600, 78250, 85000, 106420, 133025, 156500, 195625, 212840, 266050, 313000, 391250, 532100, 665125, 782500, 1064200, 1330250, 1565000, 2660500, 3325625, 5321000, 6651250, 13302500, 26605000]

約数ペア:

[(1, 26605000), (2, 13302500), (4, 6651250), (5, 5321000), (8, 3325625), (10, 2660500), (17, 1565000), (20, 1330250), (25, 1064200), (34, 782500), (40, 665125), (50, 532100), (68, 391250), (85, 313000), (100, 266050), (125, 212840), (136, 195625), (170, 156500), (200, 133025), (250, 106420), (313, 85000), (340, 78250), (425, 62600), (500, 53210), (625, 42568), (626, 42500), (680, 39125), (850, 31300), (1000, 26605), (1250, 21284), (1252, 21250), (1565, 17000), (1700, 15650), (2125, 12520), (2500, 10642), (2504, 10625), (3130, 8500), (3400, 7825), (4250, 6260), (5000, 5321)]