64793600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{2531}}^1$

素因数の和:2561

約数の個数: 66

約数和(自身を含む): 160673124

約数和(自身を除く): 95879524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2531, 2560, 3200, 5062, 5120, 6400, 10124, 12655, 12800, 20248, 25310, 25600, 40496, 50620, 63275, 80992, 101240, 126550, 161984, 202480, 253100, 323968, 404960, 506200, 647936, 809920, 1012400, 1295872, 1619840, 2024800, 2591744, 3239680, 4049600, 6479360, 8099200, 12958720, 16198400, 32396800, 64793600]

約数ペア:

[(1, 64793600), (2, 32396800), (4, 16198400), (5, 12958720), (8, 8099200), (10, 6479360), (16, 4049600), (20, 3239680), (25, 2591744), (32, 2024800), (40, 1619840), (50, 1295872), (64, 1012400), (80, 809920), (100, 647936), (128, 506200), (160, 404960), (200, 323968), (256, 253100), (320, 202480), (400, 161984), (512, 126550), (640, 101240), (800, 80992), (1024, 63275), (1280, 50620), (1600, 40496), (2531, 25600), (2560, 25310), (3200, 20248), (5062, 12800), (5120, 12655), (6400, 10124)]