25379900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2789}}^1$

素因数の和:2823

約数の個数: 72

約数和(自身を含む): 67808160

約数和(自身を除く): 42428260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 2789, 4550, 5578, 9100, 11156, 13945, 19523, 27890, 36257, 39046, 55780, 69725, 72514, 78092, 97615, 139450, 145028, 181285, 195230, 253799, 278900, 362570, 390460, 488075, 507598, 725140, 906425, 976150, 1015196, 1268995, 1812850, 1952300, 2537990, 3625700, 5075980, 6344975, 12689950, 25379900]

約数ペア:

[(1, 25379900), (2, 12689950), (4, 6344975), (5, 5075980), (7, 3625700), (10, 2537990), (13, 1952300), (14, 1812850), (20, 1268995), (25, 1015196), (26, 976150), (28, 906425), (35, 725140), (50, 507598), (52, 488075), (65, 390460), (70, 362570), (91, 278900), (100, 253799), (130, 195230), (140, 181285), (175, 145028), (182, 139450), (260, 97615), (325, 78092), (350, 72514), (364, 69725), (455, 55780), (650, 39046), (700, 36257), (910, 27890), (1300, 19523), (1820, 13945), (2275, 11156), (2789, 9100), (4550, 5578)]