25129400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 65286000

約数和(自身を除く): 40156600

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 85, 95, 100, 136, 152, 170, 190, 200, 323, 340, 380, 389, 425, 475, 646, 680, 760, 778, 850, 950, 1292, 1556, 1615, 1700, 1900, 1945, 2584, 3112, 3230, 3400, 3800, 3890, 6460, 6613, 7391, 7780, 8075, 9725, 12920, 13226, 14782, 15560, 16150, 19450, 26452, 29564, 32300, 33065, 36955, 38900, 52904, 59128, 64600, 66130, 73910, 77800, 125647, 132260, 147820, 165325, 184775, 251294, 264520, 295640, 330650, 369550, 502588, 628235, 661300, 739100, 1005176, 1256470, 1322600, 1478200, 2512940, 3141175, 5025880, 6282350, 12564700, 25129400]

約数ペア:

[(1, 25129400), (2, 12564700), (4, 6282350), (5, 5025880), (8, 3141175), (10, 2512940), (17, 1478200), (19, 1322600), (20, 1256470), (25, 1005176), (34, 739100), (38, 661300), (40, 628235), (50, 502588), (68, 369550), (76, 330650), (85, 295640), (95, 264520), (100, 251294), (136, 184775), (152, 165325), (170, 147820), (190, 132260), (200, 125647), (323, 77800), (340, 73910), (380, 66130), (389, 64600), (425, 59128), (475, 52904), (646, 38900), (680, 36955), (760, 33065), (778, 32300), (850, 29564), (950, 26452), (1292, 19450), (1556, 16150), (1615, 15560), (1700, 14782), (1900, 13226), (1945, 12920), (2584, 9725), (3112, 8075), (3230, 7780), (3400, 7391), (3800, 6613), (3890, 6460)]