51899440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15823}}^1$

素因数の和:15877

約数の個数: 40

約数和(自身を含む): 123617088

約数和(自身を除く): 71717648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 15823, 31646, 63292, 79115, 126584, 158230, 253168, 316460, 632920, 648743, 1265840, 1297486, 2594972, 3243715, 5189944, 6487430, 10379888, 12974860, 25949720, 51899440]

約数ペア:

[(1, 51899440), (2, 25949720), (4, 12974860), (5, 10379888), (8, 6487430), (10, 5189944), (16, 3243715), (20, 2594972), (40, 1297486), (41, 1265840), (80, 648743), (82, 632920), (164, 316460), (205, 253168), (328, 158230), (410, 126584), (656, 79115), (820, 63292), (1640, 31646), (3280, 15823)]