81381200

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6563}}^1$

素因数の和:6612

約数の個数: 60

約数和(自身を含む): 201856128

約数和(自身を除く): 120474928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 6563, 12400, 13126, 26252, 32815, 52504, 65630, 105008, 131260, 164075, 203453, 262520, 328150, 406906, 525040, 656300, 813812, 1017265, 1312600, 1627624, 2034530, 2625200, 3255248, 4069060, 5086325, 8138120, 10172650, 16276240, 20345300, 40690600, 81381200]

約数ペア:

[(1, 81381200), (2, 40690600), (4, 20345300), (5, 16276240), (8, 10172650), (10, 8138120), (16, 5086325), (20, 4069060), (25, 3255248), (31, 2625200), (40, 2034530), (50, 1627624), (62, 1312600), (80, 1017265), (100, 813812), (124, 656300), (155, 525040), (200, 406906), (248, 328150), (310, 262520), (400, 203453), (496, 164075), (620, 131260), (775, 105008), (1240, 65630), (1550, 52504), (2480, 32815), (3100, 26252), (6200, 13126), (6563, 12400)]