83939440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1877}}^1$

素因数の和:1946

約数の個数: 80

約数和(自身を含む): 215173728

約数和(自身を除く): 131234288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 1877, 2236, 2795, 3440, 3754, 4472, 5590, 7508, 8944, 9385, 11180, 15016, 18770, 22360, 24401, 30032, 37540, 44720, 48802, 75080, 80711, 97604, 122005, 150160, 161422, 195208, 244010, 322844, 390416, 403555, 488020, 645688, 807110, 976040, 1049243, 1291376, 1614220, 1952080, 2098486, 3228440, 4196972, 5246215, 6456880, 8393944, 10492430, 16787888, 20984860, 41969720, 83939440]

約数ペア:

[(1, 83939440), (2, 41969720), (4, 20984860), (5, 16787888), (8, 10492430), (10, 8393944), (13, 6456880), (16, 5246215), (20, 4196972), (26, 3228440), (40, 2098486), (43, 1952080), (52, 1614220), (65, 1291376), (80, 1049243), (86, 976040), (104, 807110), (130, 645688), (172, 488020), (208, 403555), (215, 390416), (260, 322844), (344, 244010), (430, 195208), (520, 161422), (559, 150160), (688, 122005), (860, 97604), (1040, 80711), (1118, 75080), (1720, 48802), (1877, 44720), (2236, 37540), (2795, 30032), (3440, 24401), (3754, 22360), (4472, 18770), (5590, 15016), (7508, 11180), (8944, 9385)]