54451280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1277}}^1$

素因数の和:1344

約数の個数: 80

約数和(自身を含む): 139772304

約数和(自身を除く): 85321024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1277, 1640, 2132, 2554, 2665, 3280, 4264, 5108, 5330, 6385, 8528, 10216, 10660, 12770, 16601, 20432, 21320, 25540, 33202, 42640, 51080, 52357, 66404, 83005, 102160, 104714, 132808, 166010, 209428, 261785, 265616, 332020, 418856, 523570, 664040, 680641, 837712, 1047140, 1328080, 1361282, 2094280, 2722564, 3403205, 4188560, 5445128, 6806410, 10890256, 13612820, 27225640, 54451280]

約数ペア:

[(1, 54451280), (2, 27225640), (4, 13612820), (5, 10890256), (8, 6806410), (10, 5445128), (13, 4188560), (16, 3403205), (20, 2722564), (26, 2094280), (40, 1361282), (41, 1328080), (52, 1047140), (65, 837712), (80, 680641), (82, 664040), (104, 523570), (130, 418856), (164, 332020), (205, 265616), (208, 261785), (260, 209428), (328, 166010), (410, 132808), (520, 104714), (533, 102160), (656, 83005), (820, 66404), (1040, 52357), (1066, 51080), (1277, 42640), (1640, 33202), (2132, 25540), (2554, 21320), (2665, 20432), (3280, 16601), (4264, 12770), (5108, 10660), (5330, 10216), (6385, 8528)]