79885000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1268

約数の個数: 80

約数和(自身を含む): 201732300

約数和(自身を除く): 121847300

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 625, 650, 1000, 1229, 1250, 1300, 1625, 2458, 2500, 2600, 3250, 4916, 5000, 6145, 6500, 8125, 9832, 12290, 13000, 15977, 16250, 24580, 30725, 31954, 32500, 49160, 61450, 63908, 65000, 79885, 122900, 127816, 153625, 159770, 245800, 307250, 319540, 399425, 614500, 639080, 768125, 798850, 1229000, 1536250, 1597700, 1997125, 3072500, 3195400, 3994250, 6145000, 7988500, 9985625, 15977000, 19971250, 39942500, 79885000]

約数ペア:

[(1, 79885000), (2, 39942500), (4, 19971250), (5, 15977000), (8, 9985625), (10, 7988500), (13, 6145000), (20, 3994250), (25, 3195400), (26, 3072500), (40, 1997125), (50, 1597700), (52, 1536250), (65, 1229000), (100, 798850), (104, 768125), (125, 639080), (130, 614500), (200, 399425), (250, 319540), (260, 307250), (325, 245800), (500, 159770), (520, 153625), (625, 127816), (650, 122900), (1000, 79885), (1229, 65000), (1250, 63908), (1300, 61450), (1625, 49160), (2458, 32500), (2500, 31954), (2600, 30725), (3250, 24580), (4916, 16250), (5000, 15977), (6145, 13000), (6500, 12290), (8125, 9832)]