64277960

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{22013}}^1$

素因数の和:22097

約数の個数: 32

約数和(自身を含む): 146613240

約数和(自身を除く): 82335280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 22013, 44026, 88052, 110065, 176104, 220130, 440260, 880520, 1606949, 3213898, 6427796, 8034745, 12855592, 16069490, 32138980, 64277960]

約数ペア:

[(1, 64277960), (2, 32138980), (4, 16069490), (5, 12855592), (8, 8034745), (10, 6427796), (20, 3213898), (40, 1606949), (73, 880520), (146, 440260), (292, 220130), (365, 176104), (584, 110065), (730, 88052), (1460, 44026), (2920, 22013)]