25887728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 80

約数和(自身を含む): 56663040

約数和(自身を除く): 30775312

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 41, 62, 67, 76, 82, 124, 134, 152, 164, 248, 268, 304, 328, 496, 536, 589, 656, 779, 1072, 1178, 1271, 1273, 1558, 2077, 2356, 2542, 2546, 2747, 3116, 4154, 4712, 5084, 5092, 5494, 6232, 8308, 9424, 10168, 10184, 10988, 12464, 16616, 20336, 20368, 21976, 24149, 33232, 39463, 43952, 48298, 52193, 78926, 85157, 96596, 104386, 157852, 170314, 193192, 208772, 315704, 340628, 386384, 417544, 631408, 681256, 835088, 1362512, 1617983, 3235966, 6471932, 12943864, 25887728]

約数ペア:

[(1, 25887728), (2, 12943864), (4, 6471932), (8, 3235966), (16, 1617983), (19, 1362512), (31, 835088), (38, 681256), (41, 631408), (62, 417544), (67, 386384), (76, 340628), (82, 315704), (124, 208772), (134, 193192), (152, 170314), (164, 157852), (248, 104386), (268, 96596), (304, 85157), (328, 78926), (496, 52193), (536, 48298), (589, 43952), (656, 39463), (779, 33232), (1072, 24149), (1178, 21976), (1271, 20368), (1273, 20336), (1558, 16616), (2077, 12464), (2356, 10988), (2542, 10184), (2546, 10168), (2747, 9424), (3116, 8308), (4154, 6232), (4712, 5494), (5084, 5092)]