165662500

素因数分解:

$2^2\times 5^5\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 375679080

約数和(自身を除く): 210016580

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 457, 500, 580, 625, 725, 914, 1250, 1450, 1828, 2285, 2500, 2900, 3125, 3625, 4570, 6250, 7250, 9140, 11425, 12500, 13253, 14500, 18125, 22850, 26506, 36250, 45700, 53012, 57125, 66265, 72500, 90625, 114250, 132530, 181250, 228500, 265060, 285625, 331325, 362500, 571250, 662650, 1142500, 1325300, 1428125, 1656625, 2856250, 3313250, 5712500, 6626500, 8283125, 16566250, 33132500, 41415625, 82831250, 165662500]

約数ペア:

[(1, 165662500), (2, 82831250), (4, 41415625), (5, 33132500), (10, 16566250), (20, 8283125), (25, 6626500), (29, 5712500), (50, 3313250), (58, 2856250), (100, 1656625), (116, 1428125), (125, 1325300), (145, 1142500), (250, 662650), (290, 571250), (457, 362500), (500, 331325), (580, 285625), (625, 265060), (725, 228500), (914, 181250), (1250, 132530), (1450, 114250), (1828, 90625), (2285, 72500), (2500, 66265), (2900, 57125), (3125, 53012), (3625, 45700), (4570, 36250), (6250, 26506), (7250, 22850), (9140, 18125), (11425, 14500), (12500, 13253)]