25416260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 55121472

約数和(自身を除く): 29705212

約数列:

[1, 2, 4, 5, 10, 20, 61, 83, 122, 166, 244, 251, 305, 332, 415, 502, 610, 830, 1004, 1220, 1255, 1660, 2510, 5020, 5063, 10126, 15311, 20252, 20833, 25315, 30622, 41666, 50630, 61244, 76555, 83332, 101260, 104165, 153110, 208330, 306220, 416660, 1270813, 2541626, 5083252, 6354065, 12708130, 25416260]

約数ペア:

[(1, 25416260), (2, 12708130), (4, 6354065), (5, 5083252), (10, 2541626), (20, 1270813), (61, 416660), (83, 306220), (122, 208330), (166, 153110), (244, 104165), (251, 101260), (305, 83332), (332, 76555), (415, 61244), (502, 50630), (610, 41666), (830, 30622), (1004, 25315), (1220, 20833), (1255, 20252), (1660, 15311), (2510, 10126), (5020, 5063)]