13668880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2801}}^1$

素因数の和:2875

約数の個数: 40

約数和(自身を含む): 32312664

約数和(自身を除く): 18643784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 2801, 4880, 5602, 11204, 14005, 22408, 28010, 44816, 56020, 112040, 170861, 224080, 341722, 683444, 854305, 1366888, 1708610, 2733776, 3417220, 6834440, 13668880]

約数ペア:

[(1, 13668880), (2, 6834440), (4, 3417220), (5, 2733776), (8, 1708610), (10, 1366888), (16, 854305), (20, 683444), (40, 341722), (61, 224080), (80, 170861), (122, 112040), (244, 56020), (305, 44816), (488, 28010), (610, 22408), (976, 14005), (1220, 11204), (2440, 5602), (2801, 4880)]