72992000

素因数分解:

$2^8\times 5^3\times {\mathrm{2281}}^1$

素因数の和:2312

約数の個数: 72

約数和(自身を含む): 181911912

約数和(自身を除く): 108919912

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, 2281, 3200, 4000, 4562, 6400, 8000, 9124, 11405, 16000, 18248, 22810, 32000, 36496, 45620, 57025, 72992, 91240, 114050, 145984, 182480, 228100, 285125, 291968, 364960, 456200, 570250, 583936, 729920, 912400, 1140500, 1459840, 1824800, 2281000, 2919680, 3649600, 4562000, 7299200, 9124000, 14598400, 18248000, 36496000, 72992000]

約数ペア:

[(1, 72992000), (2, 36496000), (4, 18248000), (5, 14598400), (8, 9124000), (10, 7299200), (16, 4562000), (20, 3649600), (25, 2919680), (32, 2281000), (40, 1824800), (50, 1459840), (64, 1140500), (80, 912400), (100, 729920), (125, 583936), (128, 570250), (160, 456200), (200, 364960), (250, 291968), (256, 285125), (320, 228100), (400, 182480), (500, 145984), (640, 114050), (800, 91240), (1000, 72992), (1280, 57025), (1600, 45620), (2000, 36496), (2281, 32000), (3200, 22810), (4000, 18248), (4562, 16000), (6400, 11405), (8000, 9124)]