25780096

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 54345600

約数和(自身を除く): 28565504

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 73, 89, 124, 128, 146, 178, 248, 292, 356, 496, 584, 712, 992, 1168, 1424, 1984, 2263, 2336, 2759, 2848, 3968, 4526, 4672, 5518, 5696, 6497, 9052, 9344, 11036, 11392, 12994, 18104, 22072, 25988, 36208, 44144, 51976, 72416, 88288, 103952, 144832, 176576, 201407, 207904, 289664, 353152, 402814, 415808, 805628, 831616, 1611256, 3222512, 6445024, 12890048, 25780096]

約数ペア:

[(1, 25780096), (2, 12890048), (4, 6445024), (8, 3222512), (16, 1611256), (31, 831616), (32, 805628), (62, 415808), (64, 402814), (73, 353152), (89, 289664), (124, 207904), (128, 201407), (146, 176576), (178, 144832), (248, 103952), (292, 88288), (356, 72416), (496, 51976), (584, 44144), (712, 36208), (992, 25988), (1168, 22072), (1424, 18104), (1984, 12994), (2263, 11392), (2336, 11036), (2759, 9344), (2848, 9052), (3968, 6497), (4526, 5696), (4672, 5518)]