80007100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2477}}^1$

素因数の和:2527

約数の個数: 72

約数和(自身を含む): 193581360

約数和(自身を除く): 113574260

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 646, 850, 950, 1292, 1615, 1700, 1900, 2477, 3230, 4954, 6460, 8075, 9908, 12385, 16150, 24770, 32300, 42109, 47063, 49540, 61925, 84218, 94126, 123850, 168436, 188252, 210545, 235315, 247700, 421090, 470630, 800071, 842180, 941260, 1052725, 1176575, 1600142, 2105450, 2353150, 3200284, 4000355, 4210900, 4706300, 8000710, 16001420, 20001775, 40003550, 80007100]

約数ペア:

[(1, 80007100), (2, 40003550), (4, 20001775), (5, 16001420), (10, 8000710), (17, 4706300), (19, 4210900), (20, 4000355), (25, 3200284), (34, 2353150), (38, 2105450), (50, 1600142), (68, 1176575), (76, 1052725), (85, 941260), (95, 842180), (100, 800071), (170, 470630), (190, 421090), (323, 247700), (340, 235315), (380, 210545), (425, 188252), (475, 168436), (646, 123850), (850, 94126), (950, 84218), (1292, 61925), (1615, 49540), (1700, 47063), (1900, 42109), (2477, 32300), (3230, 24770), (4954, 16150), (6460, 12385), (8075, 9908)]