387555040

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{30661}}^1$

素因数の和:30755

約数の個数: 48

約数和(自身を含む): 927218880

約数和(自身を除く): 539663840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12640, 30661, 61322, 122644, 153305, 245288, 306610, 490576, 613220, 981152, 1226440, 2422219, 2452880, 4844438, 4905760, 9688876, 12111095, 19377752, 24222190, 38755504, 48444380, 77511008, 96888760, 193777520, 387555040]

約数ペア:

[(1, 387555040), (2, 193777520), (4, 96888760), (5, 77511008), (8, 48444380), (10, 38755504), (16, 24222190), (20, 19377752), (32, 12111095), (40, 9688876), (79, 4905760), (80, 4844438), (158, 2452880), (160, 2422219), (316, 1226440), (395, 981152), (632, 613220), (790, 490576), (1264, 306610), (1580, 245288), (2528, 153305), (3160, 122644), (6320, 61322), (12640, 30661)]