161837260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{16823}}^1$

素因数の和:16882

約数の個数: 48

約数和(自身を含む): 375915456

約数和(自身を除く): 214078196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 16823, 33646, 67292, 84115, 168230, 218699, 336460, 437398, 622451, 874796, 1093495, 1244902, 2186990, 2489804, 3112255, 4373980, 6224510, 8091863, 12449020, 16183726, 32367452, 40459315, 80918630, 161837260]

約数ペア:

[(1, 161837260), (2, 80918630), (4, 40459315), (5, 32367452), (10, 16183726), (13, 12449020), (20, 8091863), (26, 6224510), (37, 4373980), (52, 3112255), (65, 2489804), (74, 2186990), (130, 1244902), (148, 1093495), (185, 874796), (260, 622451), (370, 437398), (481, 336460), (740, 218699), (962, 168230), (1924, 84115), (2405, 67292), (4810, 33646), (9620, 16823)]