56454320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2857}}^1$

素因数の和:2902

約数の個数: 80

約数和(自身を含む): 148844640

約数和(自身を除く): 92390320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 2857, 3952, 4940, 5714, 9880, 11428, 14285, 19760, 22856, 28570, 37141, 45712, 54283, 57140, 74282, 108566, 114280, 148564, 185705, 217132, 228560, 271415, 297128, 371410, 434264, 542830, 594256, 705679, 742820, 868528, 1085660, 1411358, 1485640, 2171320, 2822716, 2971280, 3528395, 4342640, 5645432, 7056790, 11290864, 14113580, 28227160, 56454320]

約数ペア:

[(1, 56454320), (2, 28227160), (4, 14113580), (5, 11290864), (8, 7056790), (10, 5645432), (13, 4342640), (16, 3528395), (19, 2971280), (20, 2822716), (26, 2171320), (38, 1485640), (40, 1411358), (52, 1085660), (65, 868528), (76, 742820), (80, 705679), (95, 594256), (104, 542830), (130, 434264), (152, 371410), (190, 297128), (208, 271415), (247, 228560), (260, 217132), (304, 185705), (380, 148564), (494, 114280), (520, 108566), (760, 74282), (988, 57140), (1040, 54283), (1235, 45712), (1520, 37141), (1976, 28570), (2470, 22856), (2857, 19760), (3952, 14285), (4940, 11428), (5714, 9880)]