25419040

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2011}}^1$

素因数の和:2105

約数の個数: 48

約数和(自身を含む): 60842880

約数和(自身を除く): 35423840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2011, 2528, 3160, 4022, 6320, 8044, 10055, 12640, 16088, 20110, 32176, 40220, 64352, 80440, 158869, 160880, 317738, 321760, 635476, 794345, 1270952, 1588690, 2541904, 3177380, 5083808, 6354760, 12709520, 25419040]

約数ペア:

[(1, 25419040), (2, 12709520), (4, 6354760), (5, 5083808), (8, 3177380), (10, 2541904), (16, 1588690), (20, 1270952), (32, 794345), (40, 635476), (79, 321760), (80, 317738), (158, 160880), (160, 158869), (316, 80440), (395, 64352), (632, 40220), (790, 32176), (1264, 20110), (1580, 16088), (2011, 12640), (2528, 10055), (3160, 8044), (4022, 6320)]