13952380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 31921344

約数和(自身を除く): 17968964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 521, 1030, 1042, 1339, 2060, 2084, 2605, 2678, 5210, 5356, 6695, 6773, 10420, 13390, 13546, 26780, 27092, 33865, 53663, 67730, 107326, 135460, 214652, 268315, 536630, 697619, 1073260, 1395238, 2790476, 3488095, 6976190, 13952380]

約数ペア:

[(1, 13952380), (2, 6976190), (4, 3488095), (5, 2790476), (10, 1395238), (13, 1073260), (20, 697619), (26, 536630), (52, 268315), (65, 214652), (103, 135460), (130, 107326), (206, 67730), (260, 53663), (412, 33865), (515, 27092), (521, 26780), (1030, 13546), (1042, 13390), (1339, 10420), (2060, 6773), (2084, 6695), (2605, 5356), (2678, 5210)]