4784840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 11450160

約数和(自身を除く): 6665320

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 53, 61, 74, 106, 122, 148, 185, 212, 244, 265, 296, 305, 370, 424, 488, 530, 610, 740, 1060, 1220, 1480, 1961, 2120, 2257, 2440, 3233, 3922, 4514, 6466, 7844, 9028, 9805, 11285, 12932, 15688, 16165, 18056, 19610, 22570, 25864, 32330, 39220, 45140, 64660, 78440, 90280, 119621, 129320, 239242, 478484, 598105, 956968, 1196210, 2392420, 4784840]

約数ペア:

[(1, 4784840), (2, 2392420), (4, 1196210), (5, 956968), (8, 598105), (10, 478484), (20, 239242), (37, 129320), (40, 119621), (53, 90280), (61, 78440), (74, 64660), (106, 45140), (122, 39220), (148, 32330), (185, 25864), (212, 22570), (244, 19610), (265, 18056), (296, 16165), (305, 15688), (370, 12932), (424, 11285), (488, 9805), (530, 9028), (610, 7844), (740, 6466), (1060, 4514), (1220, 3922), (1480, 3233), (1961, 2440), (2120, 2257)]