87117760

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4463}}^1$

素因数の和:4541

約数の個数: 56

約数和(自身を含む): 210897216

約数和(自身を除く): 123779456

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, 4463, 4880, 8926, 9760, 17852, 19520, 22315, 35704, 44630, 71408, 89260, 142816, 178520, 272243, 285632, 357040, 544486, 714080, 1088972, 1361215, 1428160, 2177944, 2722430, 4355888, 5444860, 8711776, 10889720, 17423552, 21779440, 43558880, 87117760]

約数ペア:

[(1, 87117760), (2, 43558880), (4, 21779440), (5, 17423552), (8, 10889720), (10, 8711776), (16, 5444860), (20, 4355888), (32, 2722430), (40, 2177944), (61, 1428160), (64, 1361215), (80, 1088972), (122, 714080), (160, 544486), (244, 357040), (305, 285632), (320, 272243), (488, 178520), (610, 142816), (976, 89260), (1220, 71408), (1952, 44630), (2440, 35704), (3904, 22315), (4463, 19520), (4880, 17852), (8926, 9760)]