13302500

素因数分解:

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

素因数の和:354

約数の個数: 60

約数和(自身を含む): 30899484

約数和(自身を除く): 17596984

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 313, 340, 425, 500, 625, 626, 850, 1250, 1252, 1565, 1700, 2125, 2500, 3130, 4250, 5321, 6260, 7825, 8500, 10625, 10642, 15650, 21250, 21284, 26605, 31300, 39125, 42500, 53210, 78250, 106420, 133025, 156500, 195625, 266050, 391250, 532100, 665125, 782500, 1330250, 2660500, 3325625, 6651250, 13302500]

約数ペア:

[(1, 13302500), (2, 6651250), (4, 3325625), (5, 2660500), (10, 1330250), (17, 782500), (20, 665125), (25, 532100), (34, 391250), (50, 266050), (68, 195625), (85, 156500), (100, 133025), (125, 106420), (170, 78250), (250, 53210), (313, 42500), (340, 39125), (425, 31300), (500, 26605), (625, 21284), (626, 21250), (850, 15650), (1250, 10642), (1252, 10625), (1565, 8500), (1700, 7825), (2125, 6260), (2500, 5321), (3130, 4250)]