16577360

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 40592640

約数和(自身を除く): 24015280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 61, 79, 80, 86, 122, 158, 172, 215, 244, 305, 316, 344, 395, 430, 488, 610, 632, 688, 790, 860, 976, 1220, 1264, 1580, 1720, 2440, 2623, 3160, 3397, 3440, 4819, 4880, 5246, 6320, 6794, 9638, 10492, 13115, 13588, 16985, 19276, 20984, 24095, 26230, 27176, 33970, 38552, 41968, 48190, 52460, 54352, 67940, 77104, 96380, 104920, 135880, 192760, 207217, 209840, 271760, 385520, 414434, 828868, 1036085, 1657736, 2072170, 3315472, 4144340, 8288680, 16577360]

約数ペア:

[(1, 16577360), (2, 8288680), (4, 4144340), (5, 3315472), (8, 2072170), (10, 1657736), (16, 1036085), (20, 828868), (40, 414434), (43, 385520), (61, 271760), (79, 209840), (80, 207217), (86, 192760), (122, 135880), (158, 104920), (172, 96380), (215, 77104), (244, 67940), (305, 54352), (316, 52460), (344, 48190), (395, 41968), (430, 38552), (488, 33970), (610, 27176), (632, 26230), (688, 24095), (790, 20984), (860, 19276), (976, 16985), (1220, 13588), (1264, 13115), (1580, 10492), (1720, 9638), (2440, 6794), (2623, 6320), (3160, 5246), (3397, 4880), (3440, 4819)]