31456000

素因数分解:

$2^8\times 5^3\times {\mathrm{983}}^1$

素因数の和:1014

約数の個数: 72

約数和(自身を含む): 78440544

約数和(自身を除く): 46984544

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, 983, 1000, 1280, 1600, 1966, 2000, 3200, 3932, 4000, 4915, 6400, 7864, 8000, 9830, 15728, 16000, 19660, 24575, 31456, 32000, 39320, 49150, 62912, 78640, 98300, 122875, 125824, 157280, 196600, 245750, 251648, 314560, 393200, 491500, 629120, 786400, 983000, 1258240, 1572800, 1966000, 3145600, 3932000, 6291200, 7864000, 15728000, 31456000]

約数ペア:

[(1, 31456000), (2, 15728000), (4, 7864000), (5, 6291200), (8, 3932000), (10, 3145600), (16, 1966000), (20, 1572800), (25, 1258240), (32, 983000), (40, 786400), (50, 629120), (64, 491500), (80, 393200), (100, 314560), (125, 251648), (128, 245750), (160, 196600), (200, 157280), (250, 125824), (256, 122875), (320, 98300), (400, 78640), (500, 62912), (640, 49150), (800, 39320), (983, 32000), (1000, 31456), (1280, 24575), (1600, 19660), (1966, 16000), (2000, 15728), (3200, 9830), (3932, 8000), (4000, 7864), (4915, 6400)]