78245920

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8017}}^1$

素因数の和:8093

約数の個数: 48

約数和(自身を含む): 187909848

約数和(自身を除く): 109663928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 8017, 9760, 16034, 32068, 40085, 64136, 80170, 128272, 160340, 256544, 320680, 489037, 641360, 978074, 1282720, 1956148, 2445185, 3912296, 4890370, 7824592, 9780740, 15649184, 19561480, 39122960, 78245920]

約数ペア:

[(1, 78245920), (2, 39122960), (4, 19561480), (5, 15649184), (8, 9780740), (10, 7824592), (16, 4890370), (20, 3912296), (32, 2445185), (40, 1956148), (61, 1282720), (80, 978074), (122, 641360), (160, 489037), (244, 320680), (305, 256544), (488, 160340), (610, 128272), (976, 80170), (1220, 64136), (1952, 40085), (2440, 32068), (4880, 16034), (8017, 9760)]