87976640

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4507}}^1$

素因数の和:4585

約数の個数: 56

約数和(自身を含む): 212975952

約数和(自身を除く): 124999312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4507, 4880, 9014, 9760, 18028, 19520, 22535, 36056, 45070, 72112, 90140, 144224, 180280, 274927, 288448, 360560, 549854, 721120, 1099708, 1374635, 1442240, 2199416, 2749270, 4398832, 5498540, 8797664, 10997080, 17595328, 21994160, 43988320, 87976640]

約数ペア:

[(1, 87976640), (2, 43988320), (4, 21994160), (5, 17595328), (8, 10997080), (10, 8797664), (16, 5498540), (20, 4398832), (32, 2749270), (40, 2199416), (61, 1442240), (64, 1374635), (80, 1099708), (122, 721120), (160, 549854), (244, 360560), (305, 288448), (320, 274927), (488, 180280), (610, 144224), (976, 90140), (1220, 72112), (1952, 45070), (2440, 36056), (3904, 22535), (4507, 19520), (4880, 18028), (9014, 9760)]