84672880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17351}}^1$

素因数の和:17425

約数の個数: 40

約数和(自身を含む): 200103264

約数和(自身を除く): 115430384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 17351, 34702, 69404, 86755, 138808, 173510, 277616, 347020, 694040, 1058411, 1388080, 2116822, 4233644, 5292055, 8467288, 10584110, 16934576, 21168220, 42336440, 84672880]

約数ペア:

[(1, 84672880), (2, 42336440), (4, 21168220), (5, 16934576), (8, 10584110), (10, 8467288), (16, 5292055), (20, 4233644), (40, 2116822), (61, 1388080), (80, 1058411), (122, 694040), (244, 347020), (305, 277616), (488, 173510), (610, 138808), (976, 86755), (1220, 69404), (2440, 34702), (4880, 17351)]