815755280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{275593}}^1$

素因数の和:275643

約数の個数: 40

約数和(自身を含む): 1947898392

約数和(自身を除く): 1132143112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 275593, 551186, 1102372, 1377965, 2204744, 2755930, 4409488, 5511860, 10196941, 11023720, 20393882, 22047440, 40787764, 50984705, 81575528, 101969410, 163151056, 203938820, 407877640, 815755280]

約数ペア:

[(1, 815755280), (2, 407877640), (4, 203938820), (5, 163151056), (8, 101969410), (10, 81575528), (16, 50984705), (20, 40787764), (37, 22047440), (40, 20393882), (74, 11023720), (80, 10196941), (148, 5511860), (185, 4409488), (296, 2755930), (370, 2204744), (592, 1377965), (740, 1102372), (1480, 551186), (2960, 275593)]