51137960

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 118601280

約数和(自身を除く): 67463320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 83, 146, 166, 211, 292, 332, 365, 415, 422, 584, 664, 730, 830, 844, 1055, 1460, 1660, 1688, 2110, 2920, 3320, 4220, 6059, 8440, 12118, 15403, 17513, 24236, 30295, 30806, 35026, 48472, 60590, 61612, 70052, 77015, 87565, 121180, 123224, 140104, 154030, 175130, 242360, 308060, 350260, 616120, 700520, 1278449, 2556898, 5113796, 6392245, 10227592, 12784490, 25568980, 51137960]

約数ペア:

[(1, 51137960), (2, 25568980), (4, 12784490), (5, 10227592), (8, 6392245), (10, 5113796), (20, 2556898), (40, 1278449), (73, 700520), (83, 616120), (146, 350260), (166, 308060), (211, 242360), (292, 175130), (332, 154030), (365, 140104), (415, 123224), (422, 121180), (584, 87565), (664, 77015), (730, 70052), (830, 61612), (844, 60590), (1055, 48472), (1460, 35026), (1660, 30806), (1688, 30295), (2110, 24236), (2920, 17513), (3320, 15403), (4220, 12118), (6059, 8440)]