80491314140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7243}}^1\times {\mathrm{9109}}^1$

素因数の和:16422

約数の個数: 48

約数和(自身を含む): 171845355360

約数和(自身を除く): 91354041220

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 7243, 9109, 14486, 18218, 28972, 36215, 36436, 45545, 72430, 91090, 144860, 182180, 441823, 555649, 883646, 1111298, 1767292, 2209115, 2222596, 2778245, 4418230, 5556490, 8836460, 11112980, 65976487, 131952974, 263905948, 329882435, 659764870, 1319529740, 4024565707, 8049131414, 16098262828, 20122828535, 40245657070, 80491314140]

約数ペア:

[(1, 80491314140), (2, 40245657070), (4, 20122828535), (5, 16098262828), (10, 8049131414), (20, 4024565707), (61, 1319529740), (122, 659764870), (244, 329882435), (305, 263905948), (610, 131952974), (1220, 65976487), (7243, 11112980), (9109, 8836460), (14486, 5556490), (18218, 4418230), (28972, 2778245), (36215, 2222596), (36436, 2209115), (45545, 1767292), (72430, 1111298), (91090, 883646), (144860, 555649), (182180, 441823)]