25919200

素因数分解:

$2^5\times 5^2\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:380

約数の個数: 72

約数和(自身を含む): 63980280

約数和(自身を除く): 38061080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 179, 181, 200, 358, 362, 400, 716, 724, 800, 895, 905, 1432, 1448, 1790, 1810, 2864, 2896, 3580, 3620, 4475, 4525, 5728, 5792, 7160, 7240, 8950, 9050, 14320, 14480, 17900, 18100, 28640, 28960, 32399, 35800, 36200, 64798, 71600, 72400, 129596, 143200, 144800, 161995, 259192, 323990, 518384, 647980, 809975, 1036768, 1295960, 1619950, 2591920, 3239900, 5183840, 6479800, 12959600, 25919200]

約数ペア:

[(1, 25919200), (2, 12959600), (4, 6479800), (5, 5183840), (8, 3239900), (10, 2591920), (16, 1619950), (20, 1295960), (25, 1036768), (32, 809975), (40, 647980), (50, 518384), (80, 323990), (100, 259192), (160, 161995), (179, 144800), (181, 143200), (200, 129596), (358, 72400), (362, 71600), (400, 64798), (716, 36200), (724, 35800), (800, 32399), (895, 28960), (905, 28640), (1432, 18100), (1448, 17900), (1790, 14480), (1810, 14320), (2864, 9050), (2896, 8950), (3580, 7240), (3620, 7160), (4475, 5792), (4525, 5728)]