65248000

素因数分解:

$2^8\times 5^3\times {\mathrm{2039}}^1$

素因数の和:2070

約数の個数: 72

約数和(自身を含む): 162620640

約数和(自身を除く): 97372640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 800, 1000, 1280, 1600, 2000, 2039, 3200, 4000, 4078, 6400, 8000, 8156, 10195, 16000, 16312, 20390, 32000, 32624, 40780, 50975, 65248, 81560, 101950, 130496, 163120, 203900, 254875, 260992, 326240, 407800, 509750, 521984, 652480, 815600, 1019500, 1304960, 1631200, 2039000, 2609920, 3262400, 4078000, 6524800, 8156000, 13049600, 16312000, 32624000, 65248000]

約数ペア:

[(1, 65248000), (2, 32624000), (4, 16312000), (5, 13049600), (8, 8156000), (10, 6524800), (16, 4078000), (20, 3262400), (25, 2609920), (32, 2039000), (40, 1631200), (50, 1304960), (64, 1019500), (80, 815600), (100, 652480), (125, 521984), (128, 509750), (160, 407800), (200, 326240), (250, 260992), (256, 254875), (320, 203900), (400, 163120), (500, 130496), (640, 101950), (800, 81560), (1000, 65248), (1280, 50975), (1600, 40780), (2000, 32624), (2039, 32000), (3200, 20390), (4000, 16312), (4078, 16000), (6400, 10195), (8000, 8156)]