8730320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1789}}^1$

素因数の和:1863

約数の個数: 40

約数和(自身を含む): 20642280

約数和(自身を除く): 11911960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1789, 2440, 3578, 4880, 7156, 8945, 14312, 17890, 28624, 35780, 71560, 109129, 143120, 218258, 436516, 545645, 873032, 1091290, 1746064, 2182580, 4365160, 8730320]

約数ペア:

[(1, 8730320), (2, 4365160), (4, 2182580), (5, 1746064), (8, 1091290), (10, 873032), (16, 545645), (20, 436516), (40, 218258), (61, 143120), (80, 109129), (122, 71560), (244, 35780), (305, 28624), (488, 17890), (610, 14312), (976, 8945), (1220, 7156), (1789, 4880), (2440, 3578)]