80630225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 113992704

約数和(自身を除く): 33362479

約数列:

[1, 5, 13, 25, 31, 53, 65, 151, 155, 265, 325, 403, 689, 755, 775, 1325, 1643, 1963, 2015, 3445, 3775, 4681, 8003, 8215, 9815, 10075, 17225, 21359, 23405, 40015, 41075, 49075, 60853, 104039, 106795, 117025, 200075, 248093, 304265, 520195, 533975, 1240465, 1521325, 2600975, 3225209, 6202325, 16126045, 80630225]

約数ペア:

[(1, 80630225), (5, 16126045), (13, 6202325), (25, 3225209), (31, 2600975), (53, 1521325), (65, 1240465), (151, 533975), (155, 520195), (265, 304265), (325, 248093), (403, 200075), (689, 117025), (755, 106795), (775, 104039), (1325, 60853), (1643, 49075), (1963, 41075), (2015, 40015), (3445, 23405), (3775, 21359), (4681, 17225), (8003, 10075), (8215, 9815)]